256737614572113 has 32 divisors (see below), whose sum is σ = 363335879301120. Its totient is φ = 160698388131840.

The previous prime is 256737614572097. The next prime is 256737614572133. The reversal of 256737614572113 is 311275416737652.

It is not a de Polignac number, because 256737614572113 - 2⁴ = 256737614572097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256737614572133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31693648 + ... + 38961038.

It is an arithmetic number, because the mean of its divisors is an integer number (11354246228160).

Almost surely, 2^{256737614572113} is an apocalyptic number.

It is an amenable number.

256737614572113 is a deficient number, since it is larger than the sum of its proper divisors (106598264729007).

256737614572113 is a wasteful number, since it uses less digits than its factorization.

256737614572113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269097.

The product of its digits is 44452800, while the sum is 60.

The spelling of 256737614572113 in words is "two hundred fifty-six trillion, seven hundred thirty-seven billion, six hundred fourteen million, five hundred seventy-two thousand, one hundred thirteen".