The way ou would write six thousand two hundred and three hundred eleven hundred thousandths is 6200.311
You write it as 11,500.003
three hundred eleven thousandths
602,000.311
Assuming you mean (eleven thousand-five hundred three) thousandths, that the same as 11503 / 1000 = 11.503 If you actually meant eleven thousand-five hundred AND three thousandths, that would be 11500.003
twelve and three hundred eleven thousandths.
Three hundred eleven and three thousand, six hundred eighty-five ten-thousandths.
One hundred eleven and one hundred eleven thousandths.
Two hundred eleven and two hundred eleven thousandths.
11.00012
You cannot write it as it appears.
Eleven and three thousand, one hundred thirty-two ten-thousandths.