111313501 has 16 divisors (see below), whose sum is σ = 130367664. Its totient is φ = 94086144.

The previous prime is 111313493. The next prime is 111313511. The reversal of 111313501 is 105313111.

It can be written as a sum of positive squares in 8 ways, for example, as 4687225 + 106626276 = 2165^2 + 10326^2 .

It is a cyclic number.

It is not a de Polignac number, because 111313501 - 2³ = 111313493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111313511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371 + ... + 14983.

It is an arithmetic number, because the mean of its divisors is an integer number (8147979).

Almost surely, 2^111313501 is an apocalyptic number.

It is an amenable number.

111313501 is a deficient number, since it is larger than the sum of its proper divisors (19054163).

111313501 is a wasteful number, since it uses less digits than its factorization.

111313501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13680.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 111313501 is about 10550.5213615252. The cubic root of 111313501 is about 481.0415764477.

Adding to 111313501 its reverse (105313111), we get a palindrome (216626612).

The spelling of 111313501 in words is "one hundred eleven million, three hundred thirteen thousand, five hundred one".