21360552146732 has 24 divisors (see below), whose sum is σ = 38014520060832. Its totient is φ = 10499451955200.

The previous prime is 21360552146707. The next prime is 21360552146741. The reversal of 21360552146732 is 23764125506312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23459093 + ... + 24352620.

It is an arithmetic number, because the mean of its divisors is an integer number (1583938335868).

Almost surely, 2^{21360552146732} is an apocalyptic number.

It is an amenable number.

21360552146732 is a deficient number, since it is larger than the sum of its proper divisors (16653967914100).

21360552146732 is a wasteful number, since it uses less digits than its factorization.

21360552146732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47813609 (or 47813607 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 21360552146732 in words is "twenty-one trillion, three hundred sixty billion, five hundred fifty-two million, one hundred forty-six thousand, seven hundred thirty-two".