The word for 1,000,000,000,000,000,000 (10^18) is "quintillion" in the short scale system, which is commonly used in the United States and modern English-speaking countries. In the long scale system, which is less commonly used today, it would be referred to as "trilliard."
One Quintillion
1M*1M 1000000000000000000*1 and a lot more... hmm
200000000000000000
1000000000000000000
32.5
One Quintillion
It is called a triangle
1000000000000000000-152 = 999999999999999872
1000000000000000000-456734566789 = 999999543265433216
1000000000000000000
1M*1M 1000000000000000000*1 and a lot more... hmm
1000000000000000000
= 376,472,354,826,384,628,468,264,876,287,356,000,000,000,000,000,000 =
1 quintillion
32.5
Hvghghc,the fgh,see
1000000000000000000 that is the answer