251996560839596 has 12 divisors (see below), whose sum is σ = 445540311175848. Its totient is φ = 124699329075072.

The previous prime is 251996560839581. The next prime is 251996560839607. The reversal of 251996560839596 is 695938065699152.

251996560839596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (83) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324737835746 + ... + 324737836521.

It is an arithmetic number, because the mean of its divisors is an integer number (37128359264654).

Almost surely, 2^{251996560839596} is an apocalyptic number.

It is an amenable number.

251996560839596 is a deficient number, since it is larger than the sum of its proper divisors (193543750336252).

251996560839596 is a wasteful number, since it uses less digits than its factorization.

251996560839596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649475672368 (or 649475672366 counting only the distinct ones).

The product of its (nonzero) digits is 8503056000, while the sum is 83.

The spelling of 251996560839596 in words is "two hundred fifty-one trillion, nine hundred ninety-six billion, five hundred sixty million, eight hundred thirty-nine thousand, five hundred ninety-six".