25465567120 has 40 divisors (see below), whose sum is σ = 67665651264. Its totient is φ = 8731051392.

The previous prime is 25465567081. The next prime is 25465567177. The reversal of 25465567120 is 2176556452.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22736554 + ... + 22737673.

Almost surely, 2^25465567120 is an apocalyptic number.

25465567120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25465567120 is an abundant number, since it is smaller than the sum of its proper divisors (42200084144).

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

25465567120 is a wasteful number, since it uses less digits than its factorization.

25465567120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45474247 (or 45474241 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 25465567120 in words is "twenty-five billion, four hundred sixty-five million, five hundred sixty-seven thousand, one hundred twenty".