2523621130857 has 8 divisors (see below), whose sum is σ = 3738697971680. Its totient is φ = 1682414087220.

The previous prime is 2523621130841. The next prime is 2523621130867. The reversal of 2523621130857 is 7580311263252.

2523621130857 is a `hidden beast` number, since 2 + 5 + 2 + 3 + 621 + 13 + 0 + 8 + 5 + 7 = 666.

It is not a de Polignac number, because 2523621130857 - 2⁴ = 2523621130841 is a prime.

It is a super-2 number, since 2×2523621130857² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523621130867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46733724619 + ... + 46733724672.

It is an arithmetic number, because the mean of its divisors is an integer number (467337246460).

Almost surely, 2^{2523621130857} is an apocalyptic number.

2523621130857 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2523621130857 is a deficient number, since it is larger than the sum of its proper divisors (1215076840823).

2523621130857 is an equidigital number, since it uses as much as digits as its factorization.

2523621130857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93467449300 (or 93467449294 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 2523621130857 in words is "two trillion, five hundred twenty-three billion, six hundred twenty-one million, one hundred thirty thousand, eight hundred fifty-seven".