111367993 has 4 divisors (see below), whose sum is σ = 121492368. Its totient is φ = 101243620.

The previous prime is 111367961. The next prime is 111368009. The reversal of 111367993 is 399763111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111367993 - 2⁵ = 111367961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111367913) 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, 5062171 + ... + 5062192.

It is an arithmetic number, because the mean of its divisors is an integer number (30373092).

Almost surely, 2^111367993 is an apocalyptic number.

It is an amenable number.

111367993 is a deficient number, since it is larger than the sum of its proper divisors (10124375).

111367993 is a wasteful number, since it uses less digits than its factorization.

111367993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124374.

The product of its digits is 30618, while the sum is 40.

The square root of 111367993 is about 10553.1034771767. The cubic root of 111367993 is about 481.1200594143.

The spelling of 111367993 in words is "one hundred eleven million, three hundred sixty-seven thousand, nine hundred ninety-three".