111373680 has 80 divisors (see below), whose sum is σ = 376654464. Its totient is φ = 26999040.

The previous prime is 111373679. The next prime is 111373709. The reversal of 111373680 is 86373111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 18454 + ... + 23733.

Almost surely, 2^111373680 is an apocalyptic number.

111373680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111373680 is an abundant number, since it is smaller than the sum of its proper divisors (265280784).

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

111373680 is a wasteful number, since it uses less digits than its factorization.

111373680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42214 (or 42208 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 111373680 is about 10553.3729205406. The cubic root of 111373680 is about 481.1282487308.

The spelling of 111373680 in words is "one hundred eleven million, three hundred seventy-three thousand, six hundred eighty".