111315426 has 16 divisors (see below), whose sum is σ = 223752000. Its totient is φ = 36918288.

The previous prime is 111315403. The next prime is 111315431. The reversal of 111315426 is 624513111.

It is a happy number.

It is a super-2 number, since 2×111315426² = 24782248131122952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111315396 and 111315405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45421 + ... + 47808.

It is an arithmetic number, because the mean of its divisors is an integer number (13984500).

Almost surely, 2^111315426 is an apocalyptic number.

111315426 is an abundant number, since it is smaller than the sum of its proper divisors (112436574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111315426 is a wasteful number, since it uses less digits than its factorization.

111315426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93433.

The product of its digits is 720, while the sum is 24.

The square root of 111315426 is about 10550.6125888500. The cubic root of 111315426 is about 481.0443493959.

Adding to 111315426 its reverse (624513111), we get a palindrome (735828537).

The spelling of 111315426 in words is "one hundred eleven million, three hundred fifteen thousand, four hundred twenty-six".