11315315 has 24 divisors (see below), whose sum is σ = 15225840. Its totient is φ = 8064320.

The previous prime is 11315299. The next prime is 11315327. The reversal of 11315315 is 51351311.

11315315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11315315 - 2⁴ = 11315299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35537 + ... + 35853.

It is an arithmetic number, because the mean of its divisors is an integer number (634410).

Almost surely, 2^11315315 is an apocalyptic number.

11315315 is a deficient number, since it is larger than the sum of its proper divisors (3910525).

11315315 is a wasteful number, since it uses less digits than its factorization.

11315315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 392 counting only the distinct ones).

The product of its digits is 225, while the sum is 20.

The square root of 11315315 is about 3363.8244603427. The cubic root of 11315315 is about 224.5030348315.

Adding to 11315315 its reverse (51351311), we get a palindrome (62666626).

It can be divided in two parts, 1131 and 5315, that added together give a palindrome (6446).

The spelling of 11315315 in words is "eleven million, three hundred fifteen thousand, three hundred fifteen".