11775115 has 12 divisors (see below), whose sum is σ = 15532272. Its totient is φ = 8563280.

The previous prime is 11775097. The next prime is 11775191. The reversal of 11775115 is 51157711.

It is not a de Polignac number, because 11775115 - 2⁵ = 11775083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9127 + ... + 10336.

It is an arithmetic number, because the mean of its divisors is an integer number (1294356).

Almost surely, 2^11775115 is an apocalyptic number.

11775115 is a deficient number, since it is larger than the sum of its proper divisors (3757157).

11775115 is a wasteful number, since it uses less digits than its factorization.

11775115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19490 (or 19479 counting only the distinct ones).

The product of its digits is 1225, while the sum is 28.

The square root of 11775115 is about 3431.4887439710. The cubic root of 11775115 is about 227.5036589195.

The spelling of 11775115 in words is "eleven million, seven hundred seventy-five thousand, one hundred fifteen".