252156606315625 has 96 divisors (see below), whose sum is σ = 358888407671808. Its totient is φ = 175358799000000.

The previous prime is 252156606315587. The next prime is 252156606315637. The reversal of 252156606315625 is 526513606651252.

It is not a de Polignac number, because 252156606315625 - 2¹³ = 252156606307433 is a prime.

It is a super-2 number, since 2×252156606315625² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2633524002 + ... + 2633619748.

It is an arithmetic number, because the mean of its divisors is an integer number (3738420913248).

Almost surely, 2^{252156606315625} is an apocalyptic number.

252156606315625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252156606315625 is a deficient number, since it is larger than the sum of its proper divisors (106731801356183).

252156606315625 is an equidigital number, since it uses as much as digits as its factorization.

252156606315625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99137 (or 99117 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 55.

The spelling of 252156606315625 in words is "two hundred fifty-two trillion, one hundred fifty-six billion, six hundred six million, three hundred fifteen thousand, six hundred twenty-five".