111192379 has 2 divisors, whose sum is σ = 111192380. Its totient is φ = 111192378.

The previous prime is 111192377. The next prime is 111192383. The reversal of 111192379 is 973291111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111192379 - 2¹ = 111192377 is a prime.

Together with 111192377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111192371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55596189 + 55596190.

It is an arithmetic number, because the mean of its divisors is an integer number (55596190).

Almost surely, 2^111192379 is an apocalyptic number.

111192379 is a deficient number, since it is larger than the sum of its proper divisors (1).

111192379 is an equidigital number, since it uses as much as digits as its factorization.

111192379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 34.

The square root of 111192379 is about 10544.7797037207. The cubic root of 111192379 is about 480.8670367827.

The spelling of 111192379 in words is "one hundred eleven million, one hundred ninety-two thousand, three hundred seventy-nine".