11165055 has 32 divisors (see below), whose sum is σ = 19657728. Its totient is φ = 5366400.

The previous prime is 11165047. The next prime is 11165059. The reversal of 11165055 is 55056111.

It is not a de Polignac number, because 11165055 - 2³ = 11165047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11165059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25690 + ... + 26120.

It is an arithmetic number, because the mean of its divisors is an integer number (614304).

Almost surely, 2^11165055 is an apocalyptic number.

11165055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11165055 is a deficient number, since it is larger than the sum of its proper divisors (8492673).

11165055 is a wasteful number, since it uses less digits than its factorization.

11165055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 11165055 is about 3341.4151193768. The cubic root of 11165055 is about 223.5048520285.

The spelling of 11165055 in words is "eleven million, one hundred sixty-five thousand, fifty-five".