25253005560 has 64 divisors (see below), whose sum is σ = 75779383680. Its totient is φ = 6732324480.

The previous prime is 25253005553. The next prime is 25253005619. The reversal of 25253005560 is 6550035252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454075 + ... + 506645.

It is an arithmetic number, because the mean of its divisors is an integer number (1184052870).

Almost surely, 2^25253005560 is an apocalyptic number.

25253005560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25253005560 is an abundant number, since it is smaller than the sum of its proper divisors (50526378120).

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

25253005560 is a wasteful number, since it uses less digits than its factorization.

25253005560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56588 (or 56584 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 25253005560 in words is "twenty-five billion, two hundred fifty-three million, five thousand, five hundred sixty".