11157265 has 16 divisors (see below), whose sum is σ = 15390720. Its totient is φ = 7606080.

The previous prime is 11157259. The next prime is 11157319. The reversal of 11157265 is 56275111.

11157265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11157265 - 2⁹ = 11156753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5851 + ... + 7519.

It is an arithmetic number, because the mean of its divisors is an integer number (961920).

Almost surely, 2^11157265 is an apocalyptic number.

It is an amenable number.

11157265 is a deficient number, since it is larger than the sum of its proper divisors (4233455).

11157265 is a wasteful number, since it uses less digits than its factorization.

11157265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its digits is 2100, while the sum is 28.

The square root of 11157265 is about 3340.2492421974. The cubic root of 11157265 is about 223.4528592144.

The spelling of 11157265 in words is "eleven million, one hundred fifty-seven thousand, two hundred sixty-five".