256734255210124 has 12 divisors (see below), whose sum is σ = 449298706223584. Its totient is φ = 128363196289104.

The previous prime is 256734255210091. The next prime is 256734255210161. The reversal of 256734255210124 is 421012552437652.

It is a happy number.

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, 982682052 + ... + 982943275.

Almost surely, 2^{256734255210124} is an apocalyptic number.

It is an amenable number.

256734255210124 is a deficient number, since it is larger than the sum of its proper divisors (192564451013460).

256734255210124 is a wasteful number, since it uses less digits than its factorization.

256734255210124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965657984 (or 1965657982 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 256734255210124 in words is "two hundred fifty-six trillion, seven hundred thirty-four billion, two hundred fifty-five million, two hundred ten thousand, one hundred twenty-four".