864108581124 has 48 divisors (see below), whose sum is σ = 2041726756608. Its totient is φ = 284414676768.

The previous prime is 864108581117. The next prime is 864108581177. The reversal of 864108581124 is 421185801468.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701874 + ... + 1490249.

It is an arithmetic number, because the mean of its divisors is an integer number (42535974096).

Almost surely, 2^864108581124 is an apocalyptic number.

It is an amenable number.

864108581124 is an abundant number, since it is smaller than the sum of its proper divisors (1177618175484).

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

864108581124 is a wasteful number, since it uses less digits than its factorization.

864108581124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192544 (or 2192542 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

The spelling of 864108581124 in words is "eight hundred sixty-four billion, one hundred eight million, five hundred eighty-one thousand, one hundred twenty-four".