11165265 has 12 divisors (see below), whose sum is σ = 19353204. Its totient is φ = 5954784.

The previous prime is 11165263. The next prime is 11165267. The reversal of 11165265 is 56256111.

It is a happy number.

11165265 is a `hidden beast` number, since 1 + 1 + 1 + 652 + 6 + 5 = 666.

11165265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11165263) and next prime (11165267).

It can be written as a sum of positive squares in 2 ways, for example, as 1580049 + 9585216 = 1257^2 + 3096^2 .

It is not a de Polignac number, because 11165265 - 2¹ = 11165263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11165263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124014 + ... + 124103.

It is an arithmetic number, because the mean of its divisors is an integer number (1612767).

Almost surely, 2^11165265 is an apocalyptic number.

11165265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11165265 is a deficient number, since it is larger than the sum of its proper divisors (8187939).

11165265 is a wasteful number, since it uses less digits than its factorization.

11165265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248128 (or 248125 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 11165265 is about 3341.4465430409. The cubic root of 11165265 is about 223.5062532971.

The spelling of 11165265 in words is "eleven million, one hundred sixty-five thousand, two hundred sixty-five".