25680765510 has 24 divisors (see below), whose sum is σ = 66769990560. Its totient is φ = 6848204112.

The previous prime is 25680765497. The next prime is 25680765547. The reversal of 25680765510 is 1556708652.

25680765510 is a `hidden beast` number, since 2 + 5 + 68 + 0 + 76 + 5 + 510 = 666.

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 11 ways as a sum of consecutive naturals, for example, 142670830 + ... + 142671009.

It is an arithmetic number, because the mean of its divisors is an integer number (2782082940).

Almost surely, 2^25680765510 is an apocalyptic number.

25680765510 is an abundant number, since it is smaller than the sum of its proper divisors (41089225050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25680765510 is a wasteful number, since it uses less digits than its factorization.

25680765510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285341852 (or 285341849 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 25680765510 in words is "twenty-five billion, six hundred eighty million, seven hundred sixty-five thousand, five hundred ten".