2556892644523 has 32 divisors (see below), whose sum is σ = 2959876767744. Its totient is φ = 2163520824192.

The previous prime is 2556892644511. The next prime is 2556892644583. The reversal of 2556892644523 is 3254462986552.

It is not a de Polignac number, because 2556892644523 - 2²¹ = 2556890547371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556892644583) 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, 540224265 + ... + 540228997.

It is an arithmetic number, because the mean of its divisors is an integer number (92496148992).

Almost surely, 2^{2556892644523} is an apocalyptic number.

2556892644523 is a deficient number, since it is larger than the sum of its proper divisors (402984123221).

2556892644523 is a wasteful number, since it uses less digits than its factorization.

2556892644523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771.

The product of its digits is 124416000, while the sum is 61.

The spelling of 2556892644523 in words is "two trillion, five hundred fifty-six billion, eight hundred ninety-two million, six hundred forty-four thousand, five hundred twenty-three".