111579393 has 8 divisors (see below), whose sum is σ = 148976800. Its totient is φ = 74284128.

The previous prime is 111579379. The next prime is 111579397. The reversal of 111579393 is 393975111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111579393 - 2⁶ = 111579329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111579397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22948 + ... + 27381.

It is an arithmetic number, because the mean of its divisors is an integer number (18622100).

Almost surely, 2^111579393 is an apocalyptic number.

It is an amenable number.

111579393 is a deficient number, since it is larger than the sum of its proper divisors (37397407).

111579393 is an equidigital number, since it uses as much as digits as its factorization.

111579393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51071.

The product of its digits is 25515, while the sum is 39.

The square root of 111579393 is about 10563.1147395075. The cubic root of 111579393 is about 481.4242895337.

It can be divided in two parts, 1115 and 79393, that added together give a palindrome (80508).

The spelling of 111579393 in words is "one hundred eleven million, five hundred seventy-nine thousand, three hundred ninety-three".