108861556890724 has 96 divisors (see below), whose sum is σ = 225451271348352. Its totient is φ = 45429350400000.

The previous prime is 108861556890701. The next prime is 108861556890743. The reversal of 108861556890724 is 427098655168801.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215742724 + ... + 216246724.

It is an arithmetic number, because the mean of its divisors is an integer number (2348450743212).

Almost surely, 2^{108861556890724} is an apocalyptic number.

It is an amenable number.

108861556890724 is an abundant number, since it is smaller than the sum of its proper divisors (116589714457628).

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

108861556890724 is a wasteful number, since it uses less digits than its factorization.

108861556890724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511117 (or 511115 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 70.

The spelling of 108861556890724 in words is "one hundred eight trillion, eight hundred sixty-one billion, five hundred fifty-six million, eight hundred ninety thousand, seven hundred twenty-four".