860991111824 has 40 divisors (see below), whose sum is σ = 1684617118080. Its totient is φ = 426252457728.

The previous prime is 860991111797. The next prime is 860991111833. The reversal of 860991111824 is 428111199068.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12187997 + ... + 12258435.

It is an arithmetic number, because the mean of its divisors is an integer number (42115427952).

Almost surely, 2^860991111824 is an apocalyptic number.

It is an amenable number.

860991111824 is a deficient number, since it is larger than the sum of its proper divisors (823626006256).

860991111824 is a wasteful number, since it uses less digits than its factorization.

860991111824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77967 (or 77961 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 50.

The spelling of 860991111824 in words is "eight hundred sixty billion, nine hundred ninety-one million, one hundred eleven thousand, eight hundred twenty-four".