109878188816 has 40 divisors (see below), whose sum is σ = 232358428704. Its totient is φ = 49919708160.

The previous prime is 109878188809. The next prime is 109878188821. The reversal of 109878188816 is 618881878901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200231 + ... + 509753.

Almost surely, 2^109878188816 is an apocalyptic number.

109878188816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109878188816 is an abundant number, since it is smaller than the sum of its proper divisors (122480239888).

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

109878188816 is a wasteful number, since it uses less digits than its factorization.

109878188816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311559 (or 311553 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 65.

The spelling of 109878188816 in words is "one hundred nine billion, eight hundred seventy-eight million, one hundred eighty-eight thousand, eight hundred sixteen".