11508109 has 2 divisors, whose sum is σ = 11508110. Its totient is φ = 11508108.

The previous prime is 11508097. The next prime is 11508143. The reversal of 11508109 is 90180511.

11508109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6646084 + 4862025 = 2578^2 + 2205^2 .

It is an emirp because it is prime and its reverse (90180511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11508109 - 2¹⁵ = 11475341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11508179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5754054 + 5754055.

It is an arithmetic number, because the mean of its divisors is an integer number (5754055).

Almost surely, 2^11508109 is an apocalyptic number.

It is an amenable number.

11508109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11508109 is an equidigital number, since it uses as much as digits as its factorization.

11508109 is an evil number, because the sum of its binary digits is even.

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

The square root of 11508109 is about 3392.3603876947. The cubic root of 11508109 is about 225.7709128224.

The spelling of 11508109 in words is "eleven million, five hundred eight thousand, one hundred nine".