21375200763625 has 32 divisors (see below), whose sum is σ = 26945075544192. Its totient is φ = 16927896040000.

The previous prime is 21375200763619. The next prime is 21375200763641. The reversal of 21375200763625 is 52636700257312.

It is not a de Polignac number, because 21375200763625 - 2⁵ = 21375200763593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73622994 + ... + 73912756.

It is an arithmetic number, because the mean of its divisors is an integer number (842033610756).

Almost surely, 2^{21375200763625} is an apocalyptic number.

21375200763625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21375200763625 is a deficient number, since it is larger than the sum of its proper divisors (5569874780567).

21375200763625 is a wasteful number, since it uses less digits than its factorization.

21375200763625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295722 (or 295712 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 21375200763625 in words is "twenty-one trillion, three hundred seventy-five billion, two hundred million, seven hundred sixty-three thousand, six hundred twenty-five".