109431678080 has 32 divisors (see below), whose sum is σ = 261610106940. Its totient is φ = 43772670976.

The previous prime is 109431678053. The next prime is 109431678091. The reversal of 109431678080 is 80876134901.

It can be written as a sum of positive squares in 2 ways, for example, as 96900218944 + 12531459136 = 311288^2 + 111944^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 85492859 + ... + 85494138.

Almost surely, 2^109431678080 is an apocalyptic number.

109431678080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109431678080 is an abundant number, since it is smaller than the sum of its proper divisors (152178428860).

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

109431678080 is an equidigital number, since it uses as much as digits as its factorization.

109431678080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170987016 (or 170987004 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 109431678080 in words is "one hundred nine billion, four hundred thirty-one million, six hundred seventy-eight thousand, eighty".