111387916 has 6 divisors (see below), whose sum is σ = 194928860. Its totient is φ = 55693956.

The previous prime is 111387911. The next prime is 111387967. The reversal of 111387916 is 619783111.

It is not an unprimeable number, because it can be changed into a prime (111387911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13923486 + ... + 13923493.

Almost surely, 2^111387916 is an apocalyptic number.

It is an amenable number.

111387916 is a deficient number, since it is larger than the sum of its proper divisors (83540944).

111387916 is a wasteful number, since it uses less digits than its factorization.

111387916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27846983 (or 27846981 counting only the distinct ones).

The product of its digits is 9072, while the sum is 37.

The square root of 111387916 is about 10554.0473752964. The cubic root of 111387916 is about 481.1487474397.

The spelling of 111387916 in words is "one hundred eleven million, three hundred eighty-seven thousand, nine hundred sixteen".