25865053448608 has 24 divisors (see below), whose sum is σ = 55551080702880. Its totient is φ = 11756842476480.

The previous prime is 25865053448527. The next prime is 25865053448653. The reversal of 25865053448608 is 80684435056852.

It is a self number, because there is not a number n which added to its sum of digits gives 25865053448608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36740132388 + ... + 36740133091.

It is an arithmetic number, because the mean of its divisors is an integer number (2314628362620).

Almost surely, 2^{25865053448608} is an apocalyptic number.

It is an amenable number.

25865053448608 is an abundant number, since it is smaller than the sum of its proper divisors (29686027254272).

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

25865053448608 is a wasteful number, since it uses less digits than its factorization.

25865053448608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73480265500 (or 73480265492 counting only the distinct ones).

The product of its (nonzero) digits is 221184000, while the sum is 64.

The spelling of 25865053448608 in words is "twenty-five trillion, eight hundred sixty-five billion, fifty-three million, four hundred forty-eight thousand, six hundred eight".