2556345310113 has 32 divisors (see below), whose sum is σ = 3912760938240. Its totient is φ = 1454264156160.

The previous prime is 2556345310111. The next prime is 2556345310139. The reversal of 2556345310113 is 3110135436552.

It is not a de Polignac number, because 2556345310113 - 2¹ = 2556345310111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2556345310111) 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, 4869553 + ... + 5368913.

It is an arithmetic number, because the mean of its divisors is an integer number (122273779320).

Almost surely, 2^{2556345310113} is an apocalyptic number.

It is an amenable number.

2556345310113 is a deficient number, since it is larger than the sum of its proper divisors (1356415628127).

2556345310113 is a wasteful number, since it uses less digits than its factorization.

2556345310113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500457.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 2556345310113 in words is "two trillion, five hundred fifty-six billion, three hundred forty-five million, three hundred ten thousand, one hundred thirteen".