252911263725 has 72 divisors (see below), whose sum is σ = 459761769792. Its totient is φ = 132873484800.

The previous prime is 252911263673. The next prime is 252911263763. The reversal of 252911263725 is 527362119252.

252911263725 is a `hidden beast` number, since 2 + 5 + 2 + 9 + 1 + 1 + 2 + 637 + 2 + 5 = 666.

It is not a de Polignac number, because 252911263725 - 2⁸ = 252911263469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20873269 + ... + 20885381.

It is an arithmetic number, because the mean of its divisors is an integer number (6385580136).

Almost surely, 2^252911263725 is an apocalyptic number.

252911263725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252911263725 is a deficient number, since it is larger than the sum of its proper divisors (206850506067).

252911263725 is a wasteful number, since it uses less digits than its factorization.

252911263725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13507 (or 13499 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

It can be divided in two parts, 252911 and 263725, that added together give a triangular number (516636 = T₁₀₁₆).

The spelling of 252911263725 in words is "two hundred fifty-two billion, nine hundred eleven million, two hundred sixty-three thousand, seven hundred twenty-five".