111392411 has 4 divisors (see below), whose sum is σ = 119961072. Its totient is φ = 102823752.

The previous prime is 111392399. The next prime is 111392443. The reversal of 111392411 is 114293111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111392411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111392461) 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, 4284311 + ... + 4284336.

It is an arithmetic number, because the mean of its divisors is an integer number (29990268).

Almost surely, 2^111392411 is an apocalyptic number.

111392411 is a deficient number, since it is larger than the sum of its proper divisors (8568661).

111392411 is an equidigital number, since it uses as much as digits as its factorization.

111392411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568660.

The product of its digits is 216, while the sum is 23.

The square root of 111392411 is about 10554.2603246272. The cubic root of 111392411 is about 481.1552195197.

The spelling of 111392411 in words is "one hundred eleven million, three hundred ninety-two thousand, four hundred eleven".