25363561232 has 20 divisors (see below), whose sum is σ = 49151896860. Its totient is φ = 12679200768.

The previous prime is 25363561219. The next prime is 25363561243. The reversal of 25363561232 is 23216536352.

It can be written as a sum of positive squares in 2 ways, for example, as 10663453696 + 14700107536 = 103264^2 + 121244^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78857 + ... + 238632.

It is an arithmetic number, because the mean of its divisors is an integer number (2457594843).

Almost surely, 2^25363561232 is an apocalyptic number.

It is an amenable number.

25363561232 is a deficient number, since it is larger than the sum of its proper divisors (23788335628).

25363561232 is a wasteful number, since it uses less digits than its factorization.

25363561232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322490 (or 322484 counting only the distinct ones).

The product of its digits is 194400, while the sum is 38.

The spelling of 25363561232 in words is "twenty-five billion, three hundred sixty-three million, five hundred sixty-one thousand, two hundred thirty-two".