11115166167 has 16 divisors (see below), whose sum is σ = 18819329280. Its totient is φ = 6351523416.

The previous prime is 11115166163. The next prime is 11115166199. The reversal of 11115166167 is 76166151111.

It is a happy number.

11115166167 is a `hidden beast` number, since 1 + 11 + 15 + 16 + 616 + 7 = 666.

It is not a de Polignac number, because 11115166167 - 2² = 11115166163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115166163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29405013 + ... + 29405390.

It is an arithmetic number, because the mean of its divisors is an integer number (1176208080).

Almost surely, 2^11115166167 is an apocalyptic number.

11115166167 is a deficient number, since it is larger than the sum of its proper divisors (7704163113).

11115166167 is an equidigital number, since it uses as much as digits as its factorization.

11115166167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58810419 (or 58810413 counting only the distinct ones).

The product of its digits is 7560, while the sum is 36.

It can be divided in two parts, 111 and 15166167, that added together give a triangular number (15166278 = T₅₅₀₇).

The spelling of 11115166167 in words is "eleven billion, one hundred fifteen million, one hundred sixty-six thousand, one hundred sixty-seven".