11516315 has 4 divisors (see below), whose sum is σ = 13819584. Its totient is φ = 9213048.

The previous prime is 11516291. The next prime is 11516321. The reversal of 11516315 is 51361511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11516315 - 2⁸ = 11516059 is a prime.

It is a super-2 number, since 2×11516315² = 265251022358450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151627 + ... + 1151636.

It is an arithmetic number, because the mean of its divisors is an integer number (3454896).

Almost surely, 2^11516315 is an apocalyptic number.

11516315 is a deficient number, since it is larger than the sum of its proper divisors (2303269).

11516315 is an equidigital number, since it uses as much as digits as its factorization.

11516315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303268.

The product of its digits is 450, while the sum is 23.

The square root of 11516315 is about 3393.5696545084. The cubic root of 11516315 is about 225.8245629899.

Adding to 11516315 its reverse (51361511), we get a palindrome (62877826).

The spelling of 11516315 in words is "eleven million, five hundred sixteen thousand, three hundred fifteen".