11580109 has 4 divisors (see below), whose sum is σ = 12083616. Its totient is φ = 11076604.

The previous prime is 11580103. The next prime is 11580113. The reversal of 11580109 is 90108511.

11580109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11580109 - 2¹⁷ = 11449037 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 (11580103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251719 + ... + 251764.

It is an arithmetic number, because the mean of its divisors is an integer number (3020904).

Almost surely, 2^11580109 is an apocalyptic number.

It is an amenable number.

11580109 is a deficient number, since it is larger than the sum of its proper divisors (503507).

11580109 is an equidigital number, since it uses as much as digits as its factorization.

11580109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503506.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 11580109 is about 3402.9559209605. The cubic root of 11580109 is about 226.2407763605.

The spelling of 11580109 in words is "eleven million, five hundred eighty thousand, one hundred nine".