111680375 has 16 divisors (see below), whose sum is σ = 139827168. Its totient is φ = 89056000.

The previous prime is 111680369. The next prime is 111680389. The reversal of 111680375 is 573086111.

It is not a de Polignac number, because 111680375 - 2²⁰ = 110631799 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 15 ways as a sum of consecutive naturals, for example, 42860 + ... + 45390.

It is an arithmetic number, because the mean of its divisors is an integer number (8739198).

Almost surely, 2^111680375 is an apocalyptic number.

111680375 is a deficient number, since it is larger than the sum of its proper divisors (28146793).

111680375 is an equidigital number, since it uses as much as digits as its factorization.

111680375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899 (or 2889 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 111680375 is about 10567.8935933326. The cubic root of 111680375 is about 481.5694792135.

The spelling of 111680375 in words is "one hundred eleven million, six hundred eighty thousand, three hundred seventy-five".