111608320 has 40 divisors (see below), whose sum is σ = 267604524. Its totient is φ = 44642304.

The previous prime is 111608303. The next prime is 111608323. The reversal of 111608320 is 23806111.

It can be written as a sum of positive squares in 2 ways, for example, as 93083904 + 18524416 = 9648^2 + 4304^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 111608291 and 111608300.

It is not an unprimeable number, because it can be changed into a prime (111608323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19239 + ... + 24358.

Almost surely, 2^111608320 is an apocalyptic number.

111608320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111608320 is an abundant number, since it is smaller than the sum of its proper divisors (155996204).

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

111608320 is an frugal number, since it uses more digits than its factorization.

111608320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43620 (or 43604 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 111608320 is about 10564.4838965280. The cubic root of 111608320 is about 481.4658890823.

The spelling of 111608320 in words is "one hundred eleven million, six hundred eight thousand, three hundred twenty".