108977101855 has 4 divisors (see below), whose sum is σ = 130772522232. Its totient is φ = 87181681480.

The previous prime is 108977101847. The next prime is 108977101867. The reversal of 108977101855 is 558101779801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558101779801 = 3767 ⋅148155503.

It is not a de Polignac number, because 108977101855 - 2³ = 108977101847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10897710181 + ... + 10897710190.

It is an arithmetic number, because the mean of its divisors is an integer number (32693130558).

Almost surely, 2^108977101855 is an apocalyptic number.

108977101855 is a deficient number, since it is larger than the sum of its proper divisors (21795420377).

108977101855 is an equidigital number, since it uses as much as digits as its factorization.

108977101855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21795420376.

The product of its (nonzero) digits is 705600, while the sum is 52.

The spelling of 108977101855 in words is "one hundred eight billion, nine hundred seventy-seven million, one hundred one thousand, eight hundred fifty-five".