11365109 has 12 divisors (see below), whose sum is σ = 13325004. Its totient is φ = 9664704.

The previous prime is 11365099. The next prime is 11365139. The reversal of 11365109 is 90156311.

It can be written as a sum of positive squares in 2 ways, for example, as 5499025 + 5866084 = 2345^2 + 2422^2 .

It is not a de Polignac number, because 11365109 - 2⁸ = 11364853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11365139) 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, 5867 + ... + 7559.

It is an arithmetic number, because the mean of its divisors is an integer number (1110417).

Almost surely, 2^11365109 is an apocalyptic number.

It is an amenable number.

11365109 is a deficient number, since it is larger than the sum of its proper divisors (1959895).

11365109 is a wasteful number, since it uses less digits than its factorization.

11365109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 11365109 is about 3371.2177325115. The cubic root of 11365109 is about 224.8318678095.

The spelling of 11365109 in words is "eleven million, three hundred sixty-five thousand, one hundred nine".