32117561320 has 64 divisors (see below), whose sum is σ = 77848848000. Its totient is φ = 11854902528.

The previous prime is 32117561237. The next prime is 32117561323. The reversal of 32117561320 is 2316571123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (32117561323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936021 + ... + 1952539.

It is an arithmetic number, because the mean of its divisors is an integer number (1216388250).

Almost surely, 2^32117561320 is an apocalyptic number.

It is an amenable number.

32117561320 is an abundant number, since it is smaller than the sum of its proper divisors (45731286680).

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

32117561320 is a wasteful number, since it uses less digits than its factorization.

32117561320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20282 (or 20278 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 32117561320 in words is "thirty-two billion, one hundred seventeen million, five hundred sixty-one thousand, three hundred twenty".