25525500055308 has 144 divisors (see below), whose sum is σ = 75816255715200. Its totient is φ = 7157478504960.

The previous prime is 25525500055303. The next prime is 25525500055309. The reversal of 25525500055308 is 80355000552552.

25525500055308 is a `hidden beast` number, since 25 + 5 + 25 + 50 + 0 + 0 + 553 + 0 + 8 = 666.

It is a super-2 number, since 2×25525500055308² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25525500055303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39124653 + ... + 39771716.

It is an arithmetic number, because the mean of its divisors is an integer number (526501775800).

Almost surely, 2^{25525500055308} is an apocalyptic number.

It is an amenable number.

25525500055308 is an abundant number, since it is smaller than the sum of its proper divisors (50290755659892).

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

25525500055308 is a wasteful number, since it uses less digits than its factorization.

25525500055308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78896452 (or 78896447 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 45.

The spelling of 25525500055308 in words is "twenty-five trillion, five hundred twenty-five billion, five hundred million, fifty-five thousand, three hundred eight".