25651415652 has 24 divisors (see below), whose sum is σ = 63003477600. Its totient is φ = 8100446976.

The previous prime is 25651415593. The next prime is 25651415653.

25651415652 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25651415653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56252877 + ... + 56253332.

It is an arithmetic number, because the mean of its divisors is an integer number (2625144900).

Almost surely, 2^25651415652 is an apocalyptic number.

It is an amenable number.

25651415652 is an abundant number, since it is smaller than the sum of its proper divisors (37352061948).

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

25651415652 is a wasteful number, since it uses less digits than its factorization.

25651415652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112506235 (or 112506233 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The spelling of 25651415652 in words is "twenty-five billion, six hundred fifty-one million, four hundred fifteen thousand, six hundred fifty-two".