25220431052 has 96 divisors (see below), whose sum is σ = 49184808960. Its totient is φ = 11267424000.

The previous prime is 25220431013. The next prime is 25220431127. The reversal of 25220431052 is 25013402252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46617902 + ... + 46618442.

It is an arithmetic number, because the mean of its divisors is an integer number (512341760).

Almost surely, 2^25220431052 is an apocalyptic number.

It is an amenable number.

25220431052 is a deficient number, since it is larger than the sum of its proper divisors (23964377908).

25220431052 is a wasteful number, since it uses less digits than its factorization.

25220431052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 25220431052 in words is "twenty-five billion, two hundred twenty million, four hundred thirty-one thousand, fifty-two".