111315387 has 8 divisors (see below), whose sum is σ = 148496704. Its totient is φ = 74172168.

The previous prime is 111315383. The next prime is 111315397. The reversal of 111315387 is 783513111.

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

It is not a de Polignac number, because 111315387 - 2² = 111315383 is a prime.

It is a super-2 number, since 2×111315387² = 24782230765919538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111315383) 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, 1813 + ... + 15030.

It is an arithmetic number, because the mean of its divisors is an integer number (18562088).

Almost surely, 2^111315387 is an apocalyptic number.

111315387 is a deficient number, since it is larger than the sum of its proper divisors (37181317).

111315387 is a wasteful number, since it uses less digits than its factorization.

111315387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049.

The product of its digits is 2520, while the sum is 30.

The square root of 111315387 is about 10550.6107406159. The cubic root of 111315387 is about 481.0442932170.

Adding to 111315387 its reverse (783513111), we get a palindrome (894828498).

The spelling of 111315387 in words is "one hundred eleven million, three hundred fifteen thousand, three hundred eighty-seven".