11194009 has 4 divisors (see below), whose sum is σ = 11211316. Its totient is φ = 11176704.

The previous prime is 11193997. The next prime is 11194013. The reversal of 11194009 is 90049111.

11194009 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2550409 + 8643600 = 1597^2 + 2940^2 .

It is a cyclic number.

It is not a de Polignac number, because 11194009 - 2⁵ = 11193977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11191009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7644 + ... + 8989.

It is an arithmetic number, because the mean of its divisors is an integer number (2802829).

Almost surely, 2^11194009 is an apocalyptic number.

It is an amenable number.

11194009 is a deficient number, since it is larger than the sum of its proper divisors (17307).

11194009 is an equidigital number, since it uses as much as digits as its factorization.

11194009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17306.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 11194009 is about 3345.7449095829. The cubic root of 11194009 is about 223.6978880543.

The spelling of 11194009 in words is "eleven million, one hundred ninety-four thousand, nine".