32011115488 has 96 divisors (see below), whose sum is σ = 72564387840. Its totient is φ = 13747599360.

The previous prime is 32011115453. The next prime is 32011115509. The reversal of 32011115488 is 88451111023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2555256 + ... + 2567752.

It is an arithmetic number, because the mean of its divisors is an integer number (755879040).

Almost surely, 2^32011115488 is an apocalyptic number.

32011115488 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32011115488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36282193920).

32011115488 is an abundant number, since it is smaller than the sum of its proper divisors (40553272352).

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

32011115488 is a wasteful number, since it uses less digits than its factorization.

32011115488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920 (or 12912 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The spelling of 32011115488 in words is "thirty-two billion, eleven million, one hundred fifteen thousand, four hundred eighty-eight".