25010085656 has 8 divisors (see below), whose sum is σ = 46893910620. Its totient is φ = 12505042824.

The previous prime is 25010085641. The next prime is 25010085673. The reversal of 25010085656 is 65658001052.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563130346 + ... + 1563130361.

Almost surely, 2^25010085656 is an apocalyptic number.

It is an amenable number.

25010085656 is a deficient number, since it is larger than the sum of its proper divisors (21883824964).

25010085656 is a wasteful number, since it uses less digits than its factorization.

25010085656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126260713 (or 3126260709 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 25010085656 in words is "twenty-five billion, ten million, eighty-five thousand, six hundred fifty-six".