25025525580 has 96 divisors (see below), whose sum is σ = 80938206720. Its totient is φ = 5709921280.

The previous prime is 25025525533. The next prime is 25025525599. The reversal of 25025525580 is 8552552052.

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, 1104000 + ... + 1126439.

It is an arithmetic number, because the mean of its divisors is an integer number (843106320).

Almost surely, 2^25025525580 is an apocalyptic number.

25025525580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25025525580 is an abundant number, since it is smaller than the sum of its proper divisors (55912681140).

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

25025525580 is a wasteful number, since it uses less digits than its factorization.

25025525580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230479 (or 2230477 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 39.

The spelling of 25025525580 in words is "twenty-five billion, twenty-five million, five hundred twenty-five thousand, five hundred eighty".