111980328 has 16 divisors (see below), whose sum is σ = 279950880. Its totient is φ = 37326768.

The previous prime is 111980317. The next prime is 111980369. The reversal of 111980328 is 823089111.

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, 2332900 + ... + 2332947.

It is an arithmetic number, because the mean of its divisors is an integer number (17496930).

Almost surely, 2^111980328 is an apocalyptic number.

It is an amenable number.

111980328 is an abundant number, since it is smaller than the sum of its proper divisors (167970552).

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

111980328 is a wasteful number, since it uses less digits than its factorization.

111980328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665856 (or 4665852 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 111980328 is about 10582.0757888044. The cubic root of 111980328 is about 482.0002295643. Note that the first 3 decimals are identical.

The spelling of 111980328 in words is "one hundred eleven million, nine hundred eighty thousand, three hundred twenty-eight".