108555660875 has 8 divisors (see below), whose sum is σ = 135477464928. Its totient is φ = 86844528600.

The previous prime is 108555660859. The next prime is 108555660893. The reversal of 108555660875 is 578066555801.

It is not a de Polignac number, because 108555660875 - 2⁴ = 108555660859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108555660875.

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, 434222519 + ... + 434222768.

It is an arithmetic number, because the mean of its divisors is an integer number (16934683116).

Almost surely, 2^108555660875 is an apocalyptic number.

108555660875 is a deficient number, since it is larger than the sum of its proper divisors (26921804053).

108555660875 is an frugal number, since it uses more digits than its factorization.

108555660875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868445302 (or 868445292 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 56.

The spelling of 108555660875 in words is "one hundred eight billion, five hundred fifty-five million, six hundred sixty thousand, eight hundred seventy-five".