11116915 has 4 divisors (see below), whose sum is σ = 13340304. Its totient is φ = 8893528.

The previous prime is 11116913. The next prime is 11116921. The reversal of 11116915 is 51961111.

11116915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11116915 - 2¹ = 11116913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11116915.

It is not an unprimeable number, because it can be changed into a prime (11116913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111687 + ... + 1111696.

It is an arithmetic number, because the mean of its divisors is an integer number (3335076).

Almost surely, 2^11116915 is an apocalyptic number.

11116915 is a deficient number, since it is larger than the sum of its proper divisors (2223389).

11116915 is an equidigital number, since it uses as much as digits as its factorization.

11116915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223388.

The product of its digits is 270, while the sum is 25.

The square root of 11116915 is about 3334.2038030090. The cubic root of 11116915 is about 223.1831630756.

The spelling of 11116915 in words is "eleven million, one hundred sixteen thousand, nine hundred fifteen".