21093522956275 has 96 divisors (see below), whose sum is σ = 33230887372800. Its totient is φ = 12898950105600.

The previous prime is 21093522956263. The next prime is 21093522956291. The reversal of 21093522956275 is 57265922539012.

It is not a de Polignac number, because 21093522956275 - 2¹⁷ = 21093522825203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 782416246 + ... + 782443204.

It is an arithmetic number, because the mean of its divisors is an integer number (346155076800).

Almost surely, 2^{21093522956275} is an apocalyptic number.

21093522956275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

21093522956275 is a deficient number, since it is larger than the sum of its proper divisors (12137364416525).

21093522956275 is a wasteful number, since it uses less digits than its factorization.

21093522956275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34709 (or 34704 counting only the distinct ones).

The product of its (nonzero) digits is 20412000, while the sum is 58.

The spelling of 21093522956275 in words is "twenty-one trillion, ninety-three billion, five hundred twenty-two million, nine hundred fifty-six thousand, two hundred seventy-five".