25675765668685 has 24 divisors (see below), whose sum is σ = 33867752095800. Its totient is φ = 18672619722240.

The previous prime is 25675765668659. The next prime is 25675765668703. The reversal of 25675765668685 is 58686656757652.

It can be written as a sum of positive squares in 4 ways, for example, as 19707105924 + 25656058562761 = 140382^2 + 5065181^2 .

It is not a de Polignac number, because 25675765668685 - 2⁵ = 25675765668653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25675765668599 and 25675765668608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16591969 + ... + 18073321.

It is an arithmetic number, because the mean of its divisors is an integer number (1411156337325).

Almost surely, 2^{25675765668685} is an apocalyptic number.

It is an amenable number.

25675765668685 is a deficient number, since it is larger than the sum of its proper divisors (8191986427115).

25675765668685 is a wasteful number, since it uses less digits than its factorization.

25675765668685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510029 (or 1510018 counting only the distinct ones).

The product of its digits is 30481920000, while the sum is 82.

The spelling of 25675765668685 in words is "twenty-five trillion, six hundred seventy-five billion, seven hundred sixty-five million, six hundred sixty-eight thousand, six hundred eighty-five".