15,011,009,036
you could break it up too if you wanted:
15,000,000,000 + 11,000,000 + 9,000 + 36
11,011,011,011
11,001,003,000
Eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven.
11,100,003,000
Eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven.
11,111,111,111 is "eleven billion one hundred and eleven million one hundred and eleven thousand one hundred and eleven".
78,042,009,011
Eleven billion one hundred and eleven million one hundred and eleven thousand one hundred and eleven
78042009011 = 78,042,009,011
3,011,016,005
The standard form is 85,000,000,001,100,000
eight billion two hundred eleven million three hundred twenty-one thousand four hundred