111980396 has 24 divisors (see below), whose sum is σ = 214598160. Its totient is φ = 50705600.

The previous prime is 111980381. The next prime is 111980413. The reversal of 111980396 is 693089111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7106 + ... + 16566.

It is an arithmetic number, because the mean of its divisors is an integer number (8941590).

Almost surely, 2^111980396 is an apocalyptic number.

It is an amenable number.

111980396 is a deficient number, since it is larger than the sum of its proper divisors (102617764).

111980396 is a wasteful number, since it uses less digits than its factorization.

111980396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745 (or 9743 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 111980396 is about 10582.0790017841. The cubic root of 111980396 is about 482.0003271291. Note that the first 3 decimals are identical.

The spelling of 111980396 in words is "one hundred eleven million, nine hundred eighty thousand, three hundred ninety-six".