21152360325352 has 64 divisors (see below), whose sum is σ = 40353820012800. Its totient is φ = 10392943526400.

The previous prime is 21152360325293. The next prime is 21152360325367. The reversal of 21152360325352 is 25352306325112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650765533 + ... + 650798035.

It is an arithmetic number, because the mean of its divisors is an integer number (630528437700).

Almost surely, 2^{21152360325352} is an apocalyptic number.

It is an amenable number.

21152360325352 is a deficient number, since it is larger than the sum of its proper divisors (19201459687448).

21152360325352 is a wasteful number, since it uses less digits than its factorization.

21152360325352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38626 (or 38622 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 21152360325352 in words is "twenty-one trillion, one hundred fifty-two billion, three hundred sixty million, three hundred twenty-five thousand, three hundred fifty-two".