11516855 has 8 divisors (see below), whose sum is σ = 15794592. Its totient is φ = 7897248.

The previous prime is 11516851. The next prime is 11516863. The reversal of 11516855 is 55861511.

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

It is a cyclic number.

It is not a de Polignac number, because 11516855 - 2² = 11516851 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 (11516851) 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, 164492 + ... + 164561.

It is an arithmetic number, because the mean of its divisors is an integer number (1974324).

Almost surely, 2^11516855 is an apocalyptic number.

11516855 is a deficient number, since it is larger than the sum of its proper divisors (4277737).

11516855 is an equidigital number, since it uses as much as digits as its factorization.

11516855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329065.

The product of its digits is 6000, while the sum is 32.

The square root of 11516855 is about 3393.6492158147. The cubic root of 11516855 is about 225.8280925726.

The spelling of 11516855 in words is "eleven million, five hundred sixteen thousand, eight hundred fifty-five".