11265618 has 64 divisors (see below), whose sum is σ = 28385280. Its totient is φ = 2901312.

The previous prime is 11265599. The next prime is 11265619. The reversal of 11265618 is 81656211.

It is not an unprimeable number, because it can be changed into a prime (11265619) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 25443 + ... + 25881.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^11265618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11265618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14192640).

11265618 is an abundant number, since it is smaller than the sum of its proper divisors (17119662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11265618 is a wasteful number, since it uses less digits than its factorization.

11265618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

The product of its digits is 2880, while the sum is 30.

The square root of 11265618 is about 3356.4293527497. The cubic root of 11265618 is about 224.1738791290.

The spelling of 11265618 in words is "eleven million, two hundred sixty-five thousand, six hundred eighteen".