11083909 has 4 divisors (see below), whose sum is σ = 11128320. Its totient is φ = 11039500.

The previous prime is 11083889. The next prime is 11083913. The reversal of 11083909 is 90938011.

11083909 is digitally balanced in base 3, 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 11083909 - 2¹³ = 11075717 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11083409) 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, 21829 + ... + 22330.

It is an arithmetic number, because the mean of its divisors is an integer number (2782080).

Almost surely, 2^11083909 is an apocalyptic number.

It is an amenable number.

11083909 is a deficient number, since it is larger than the sum of its proper divisors (44411).

11083909 is an equidigital number, since it uses as much as digits as its factorization.

11083909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44410.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 11083909 is about 3329.2505162574. The cubic root of 11083909 is about 222.9620679917.

The spelling of 11083909 in words is "eleven million, eighty-three thousand, nine hundred nine".