10256255312549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
Almost surely, 210256255312549 is an apocalyptic number.
It is an amenable number.
10256255312549 is an equidigital number, since it uses as much as digits as its factorization.
10256255312549 is an evil number, because the sum of its binary digits is even.
The spelling of 10256255312549 in words is "ten trillion, two hundred fifty-six billion, two hundred fifty-five million, three hundred twelve thousand, five hundred forty-nine".