11265109 has 4 divisors (see below), whose sum is σ = 11274316. Its totient is φ = 11255904.

The previous prime is 11265071. The next prime is 11265113. The reversal of 11265109 is 90156211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11122225 + 142884 = 3335^2 + 378^2 .

It is a cyclic number.

It is not a de Polignac number, because 11265109 - 2⁹ = 11264597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11265209) 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 3 ways as a sum of consecutive naturals, for example, 2424 + ... + 5329.

It is an arithmetic number, because the mean of its divisors is an integer number (2818579).

Almost surely, 2^11265109 is an apocalyptic number.

It is an amenable number.

11265109 is a deficient number, since it is larger than the sum of its proper divisors (9207).

11265109 is an equidigital number, since it uses as much as digits as its factorization.

11265109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 11265109 is about 3356.3535272674. The cubic root of 11265109 is about 224.1705028910.

The spelling of 11265109 in words is "eleven million, two hundred sixty-five thousand, one hundred nine".