32512551045520 has 160 divisors (see below), whose sum is σ = 93056311014912. Its totient is φ = 10287430742016.

The previous prime is 32512551045473. The next prime is 32512551045523. The reversal of 32512551045520 is 2554015521523.

It is a super-2 number, since 2×32512551045520² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (32512551045523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32877004 + ... + 33851476.

Almost surely, 2^{32512551045520} 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 32512551045520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46528155507456).

32512551045520 is an abundant number, since it is smaller than the sum of its proper divisors (60543759969392).

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

32512551045520 is a wasteful number, since it uses less digits than its factorization.

32512551045520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979089 (or 979083 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 32512551045520 in words is "thirty-two trillion, five hundred twelve billion, five hundred fifty-one million, forty-five thousand, five hundred twenty".