25552113878631 has 32 divisors (see below), whose sum is σ = 34794065053440. Its totient is φ = 16674918336000.

The previous prime is 25552113878623. The next prime is 25552113878773. The reversal of 25552113878631 is 13687831125552.

It is not a de Polignac number, because 25552113878631 - 2³ = 25552113878623 is a prime.

It is a super-2 number, since 2×25552113878631² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552113878831) 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, 573757041 + ... + 573801573.

It is an arithmetic number, because the mean of its divisors is an integer number (1087314532920).

Almost surely, 2^{25552113878631} is an apocalyptic number.

25552113878631 is a deficient number, since it is larger than the sum of its proper divisors (9241951174809).

25552113878631 is a wasteful number, since it uses less digits than its factorization.

25552113878631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58287.

The product of its digits is 12096000, while the sum is 57.

The spelling of 25552113878631 in words is "twenty-five trillion, five hundred fifty-two billion, one hundred thirteen million, eight hundred seventy-eight thousand, six hundred thirty-one".