115533023988 has 24 divisors (see below), whose sum is σ = 281297798208. Its totient is φ = 36836616256.

The previous prime is 115533023959. The next prime is 115533024001. The reversal of 115533023988 is 889320335511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209298681 + ... + 209299232.

It is an arithmetic number, because the mean of its divisors is an integer number (11720741592).

Almost surely, 2^115533023988 is an apocalyptic number.

It is an amenable number.

115533023988 is an abundant number, since it is smaller than the sum of its proper divisors (165764774220).

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

115533023988 is a wasteful number, since it uses less digits than its factorization.

115533023988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418597943 (or 418597941 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 115533023988 in words is "one hundred fifteen billion, five hundred thirty-three million, twenty-three thousand, nine hundred eighty-eight".