11093909 has 4 divisors (see below), whose sum is σ = 11100960. Its totient is φ = 11086860.

The previous prime is 11093899. The next prime is 11093917. The reversal of 11093909 is 90939011.

11093909 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11093909 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 (11093989) 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, 32 + ... + 4710.

It is an arithmetic number, because the mean of its divisors is an integer number (2775240).

Almost surely, 2^11093909 is an apocalyptic number.

It is an amenable number.

11093909 is a deficient number, since it is larger than the sum of its proper divisors (7051).

11093909 is an equidigital number, since it uses as much as digits as its factorization.

11093909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 11093909 is about 3330.7520171877. The cubic root of 11093909 is about 223.0291006149.

The spelling of 11093909 in words is "eleven million, ninety-three thousand, nine hundred nine".