111853379 has 4 divisors (see below), whose sum is σ = 122021880. Its totient is φ = 101684880.

The previous prime is 111853349. The next prime is 111853403. The reversal of 111853379 is 973358111.

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

It is not a de Polignac number, because 111853379 - 2⁸ = 111853123 is a prime.

It is a super-2 number, since 2×111853379² = 25022356787435282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111853309) 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, 5084234 + ... + 5084255.

It is an arithmetic number, because the mean of its divisors is an integer number (30505470).

Almost surely, 2^111853379 is an apocalyptic number.

111853379 is a deficient number, since it is larger than the sum of its proper divisors (10168501).

111853379 is a wasteful number, since it uses less digits than its factorization.

111853379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168500.

The product of its digits is 22680, while the sum is 38.

The square root of 111853379 is about 10576.0757845242. The cubic root of 111853379 is about 481.8180172486.

The spelling of 111853379 in words is "one hundred eleven million, eight hundred fifty-three thousand, three hundred seventy-nine".