264563113257 has 12 divisors (see below), whose sum is σ = 385528550004. Its totient is φ = 174814563840.

The previous prime is 264563113231. The next prime is 264563113271. The reversal of 264563113257 is 752311365462.

264563113257 is a `hidden beast` number, since 2 + 6 + 4 + 5 + 6 + 311 + 325 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 125437097241 + 139126016016 = 354171^2 + 372996^2 .

It is not a de Polignac number, because 264563113257 - 2³² = 260268145961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264563118257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130069344 + ... + 130071377.

It is an arithmetic number, because the mean of its divisors is an integer number (32127379167).

Almost surely, 2^264563113257 is an apocalyptic number.

It is an amenable number.

264563113257 is a deficient number, since it is larger than the sum of its proper divisors (120965436747).

264563113257 is a wasteful number, since it uses less digits than its factorization.

264563113257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260140840 (or 260140837 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 264563113257 in words is "two hundred sixty-four billion, five hundred sixty-three million, one hundred thirteen thousand, two hundred fifty-seven".