11516255 has 4 divisors (see below), whose sum is σ = 13819512. Its totient is φ = 9213000.

The previous prime is 11516249. The next prime is 11516257. The reversal of 11516255 is 55261511.

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

It is not a de Polignac number, because 11516255 - 2²⁰ = 10467679 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 (11516257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151621 + ... + 1151630.

It is an arithmetic number, because the mean of its divisors is an integer number (3454878).

Almost surely, 2^11516255 is an apocalyptic number.

11516255 is a deficient number, since it is larger than the sum of its proper divisors (2303257).

11516255 is an equidigital number, since it uses as much as digits as its factorization.

11516255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303256.

The product of its digits is 1500, while the sum is 26.

The square root of 11516255 is about 3393.5608142481. The cubic root of 11516255 is about 225.8241708072.

Adding to 11516255 its reverse (55261511), we get a palindrome (66777766).

The spelling of 11516255 in words is "eleven million, five hundred sixteen thousand, two hundred fifty-five".