25025504652516 has 12 divisors (see below), whose sum is σ = 58392844189232. Its totient is φ = 8341834884168.

The previous prime is 25025504652493. The next prime is 25025504652557. The reversal of 25025504652516 is 61525640552052.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×25025504652516² (a number of 28 digits) contains 22 as substring.

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, 1042729360510 + ... + 1042729360533.

Almost surely, 2^{25025504652516} is an apocalyptic number.

It is an amenable number.

25025504652516 is an abundant number, since it is smaller than the sum of its proper divisors (33367339536716).

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

25025504652516 is a wasteful number, since it uses less digits than its factorization.

25025504652516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085458721050 (or 2085458721048 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 25025504652516 in words is "twenty-five trillion, twenty-five billion, five hundred four million, six hundred fifty-two thousand, five hundred sixteen".