21532500524332 has 48 divisors (see below), whose sum is σ = 43240895272960. Its totient is φ = 9190549656000.

The previous prime is 21532500524309. The next prime is 21532500524357. The reversal of 21532500524332 is 23342500523512.

It is a junction number, because it is equal to n+sod(n) for n = 21532500524291 and 21532500524300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18800794 + ... + 19913182.

Almost surely, 2^{21532500524332} is an apocalyptic number.

It is an amenable number.

21532500524332 is an abundant number, since it is smaller than the sum of its proper divisors (21708394748628).

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

21532500524332 is a wasteful number, since it uses less digits than its factorization.

21532500524332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115222 (or 1115220 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 21532500524332 in words is "twenty-one trillion, five hundred thirty-two billion, five hundred million, five hundred twenty-four thousand, three hundred thirty-two".