108128113128 has 96 divisors (see below), whose sum is σ = 334727976960. Its totient is φ = 30889526400.

The previous prime is 108128113087. The next prime is 108128113193. The reversal of 108128113128 is 821311821801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 108128113092 and 108128113101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7152778 + ... + 7167878.

It is an arithmetic number, because the mean of its divisors is an integer number (3486749760).

Almost surely, 2^108128113128 is an apocalyptic number.

108128113128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108128113128 is an abundant number, since it is smaller than the sum of its proper divisors (226599863832).

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

108128113128 is a wasteful number, since it uses less digits than its factorization.

108128113128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29327 (or 29320 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 36.

Adding to 108128113128 its reverse (821311821801), we get a palindrome (929439934929).

The spelling of 108128113128 in words is "one hundred eight billion, one hundred twenty-eight million, one hundred thirteen thousand, one hundred twenty-eight".