25527567212 has 24 divisors (see below), whose sum is σ = 51581481504. Its totient is φ = 10827597312.

The previous prime is 25527567209. The next prime is 25527567253. The reversal of 25527567212 is 21276572552.

It is a happy number.

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, 4696763 + ... + 4702194.

It is an arithmetic number, because the mean of its divisors is an integer number (2149228396).

Almost surely, 2^25527567212 is an apocalyptic number.

It is an amenable number.

25527567212 is an abundant number, since it is smaller than the sum of its proper divisors (26053914292).

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

25527567212 is a wasteful number, since it uses less digits than its factorization.

25527567212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9399065 (or 9399063 counting only the distinct ones).

The product of its digits is 588000, while the sum is 44.

The spelling of 25527567212 in words is "twenty-five billion, five hundred twenty-seven million, five hundred sixty-seven thousand, two hundred twelve".