21532532024512 has 168 divisors, whose sum is σ = 45062043471872. Its totient is φ = 10207284595200.

The previous prime is 21532532024483. The next prime is 21532532024621. The reversal of 21532532024512 is 21542023523512.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6582857437 + ... + 6582860707.

Almost surely, 2^{21532532024512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21532532024512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22531021735936).

21532532024512 is an abundant number, since it is smaller than the sum of its proper divisors (23529511447360).

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

21532532024512 is a wasteful number, since it uses less digits than its factorization.

21532532024512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987 (or 4954 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 21532532024512 in words is "twenty-one trillion, five hundred thirty-two billion, five hundred thirty-two million, twenty-four thousand, five hundred twelve".