12115288464 has 40 divisors (see below), whose sum is σ = 31305040992. Its totient is φ = 4037498880.

The previous prime is 12115288453. The next prime is 12115288513. The reversal of 12115288464 is 46488251121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199984 + ... + 253424.

Almost surely, 2^12115288464 is an apocalyptic number.

It is an amenable number.

12115288464 is an abundant number, since it is smaller than the sum of its proper divisors (19189752528).

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

12115288464 is a wasteful number, since it uses less digits than its factorization.

12115288464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58175 (or 58169 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The spelling of 12115288464 in words is "twelve billion, one hundred fifteen million, two hundred eighty-eight thousand, four hundred sixty-four".