25028525100 has 72 divisors (see below), whose sum is σ = 72464736960. Its totient is φ = 6669769280.

The previous prime is 25028525083. The next prime is 25028525113. The reversal of 25028525100 is 152582052.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 429511 + ... + 484289.

It is an arithmetic number, because the mean of its divisors is an integer number (1006454680).

Almost surely, 2^25028525100 is an apocalyptic number.

25028525100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25028525100 is an abundant number, since it is smaller than the sum of its proper divisors (47436211860).

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

25028525100 is a wasteful number, since it uses less digits than its factorization.

25028525100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56319 (or 56312 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 25028525100 in words is "twenty-five billion, twenty-eight million, five hundred twenty-five thousand, one hundred".