25355623352 has 32 divisors (see below), whose sum is σ = 51191578800. Its totient is φ = 11729816064.

The previous prime is 25355623351. The next prime is 25355623357. The reversal of 25355623352 is 25332655352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25355623351) 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, 1571963 + ... + 1588010.

Almost surely, 2^25355623352 is an apocalyptic number.

It is an amenable number.

25355623352 is an abundant number, since it is smaller than the sum of its proper divisors (25835955448).

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

25355623352 is a wasteful number, since it uses less digits than its factorization.

25355623352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160055 (or 3160051 counting only the distinct ones).

The product of its digits is 810000, while the sum is 41.

The spelling of 25355623352 in words is "twenty-five billion, three hundred fifty-five million, six hundred twenty-three thousand, three hundred fifty-two".