11137109 has 4 divisors (see below), whose sum is σ = 11208204. Its totient is φ = 11066016.

The previous prime is 11137103. The next prime is 11137123. The reversal of 11137109 is 90173111.

11137109 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 8236900 = 1703^2 + 2870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11137109 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 (11137103) 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, 35312 + ... + 35625.

It is an arithmetic number, because the mean of its divisors is an integer number (2802051).

Almost surely, 2^11137109 is an apocalyptic number.

It is an amenable number.

11137109 is a deficient number, since it is larger than the sum of its proper divisors (71095).

11137109 is an equidigital number, since it uses as much as digits as its factorization.

11137109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71094.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 11137109 is about 3337.2307382020. The cubic root of 11137109 is about 223.3182195658.

The spelling of 11137109 in words is "eleven million, one hundred thirty-seven thousand, one hundred nine".