111315513 has 12 divisors (see below), whose sum is σ = 153366864. Its totient is φ = 71814600.

The previous prime is 111315511. The next prime is 111315563. The reversal of 111315513 is 315513111.

It is not a de Polignac number, because 111315513 - 2¹ = 111315511 is a prime.

It is a super-2 number, since 2×111315513² = 24782286868906338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111315513.

It is not an unprimeable number, because it can be changed into a prime (111315511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16423 + ... + 22188.

It is an arithmetic number, because the mean of its divisors is an integer number (12780572).

Almost surely, 2^111315513 is an apocalyptic number.

It is an amenable number.

111315513 is a deficient number, since it is larger than the sum of its proper divisors (42051351).

111315513 is an equidigital number, since it uses as much as digits as its factorization.

111315513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38676 (or 38645 counting only the distinct ones).

The product of its digits is 225, while the sum is 21.

The square root of 111315513 is about 10550.6167118325. The cubic root of 111315513 is about 481.0444747179.

Adding to 111315513 its reverse (315513111), we get a palindrome (426828624).

The spelling of 111315513 in words is "one hundred eleven million, three hundred fifteen thousand, five hundred thirteen".