25545508882452 has 72 divisors (see below), whose sum is σ = 69656647132800. Its totient is φ = 7847034361920.

The previous prime is 25545508882429. The next prime is 25545508882477. The reversal of 25545508882452 is 25428880554552.

25545508882452 is a `hidden beast` number, since 2 + 5 + 5 + 4 + 5 + 508 + 8 + 82 + 45 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25545508882452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45282624 + ... + 45843287.

It is an arithmetic number, because the mean of its divisors is an integer number (967453432400).

Almost surely, 2^{25545508882452} is an apocalyptic number.

It is an amenable number.

25545508882452 is an abundant number, since it is smaller than the sum of its proper divisors (44111138250348).

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

25545508882452 is a wasteful number, since it uses less digits than its factorization.

25545508882452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91126533 (or 91126528 counting only the distinct ones).

The product of its (nonzero) digits is 204800000, while the sum is 63.

The spelling of 25545508882452 in words is "twenty-five trillion, five hundred forty-five billion, five hundred eight million, eight hundred eighty-two thousand, four hundred fifty-two".