Here is a very difficult question: what are the first 10 digits of "one quadrlion factorial", or "10^15!"

Thank you.

First few digits (10^15)!==117879641194089947860671229...

Number length 1.45657×10^16 decimal digits

Number of trailing zeroes 249999999999997

Last non-zero digits ...8442576510976

your answer is real!

if your calculator can calculate one quadrlion factorial, please send download link and name of your calculator.

no, i will not