There are 40325909164134400 blocks in a single minecraft world.
Yes with LAN. Just get your friend to open a single player world to LAN and then click on multiplayer and select his world
Sorry it's probaly not possible ):
yes
If you have downloaded minecraft to your desktop double-click the icon and login. then click single player and click on a world. If you are playing minecraft on the website click on in browser and click single player then click on a world
he doesn't have a server, he plays minecraft on a local, single-player world.
Not on single player. On Multiplayer you can though.
Play Single Player.
You can use a world editing program like MCedit.
It requires very little space, maybe around 15 MB to start, but can get up into the gig's if you have a lot of different world saves. The single player world saves are in your ".minecraft" folder ("Application Support/ minecraft" for Mac).
over 500,000,000
Many people all around the world play Minecraft. To find friends to play with, you should create a Minecraft blog.