11104409 has 2 divisors, whose sum is σ = 11104410. Its totient is φ = 11104408.

The previous prime is 11104393. The next prime is 11104411. The reversal of 11104409 is 90440111.

11104409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 883600 = 3197^2 + 940^2 .

It is an emirp because it is prime and its reverse (90440111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11104409 - 2⁴ = 11104393 is a prime.

Together with 11104411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11104459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552204 + 5552205.

It is an arithmetic number, because the mean of its divisors is an integer number (5552205).

Almost surely, 2^11104409 is an apocalyptic number.

It is an amenable number.

11104409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11104409 is an equidigital number, since it uses as much as digits as its factorization.

11104409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11104409 is about 3332.3278650217. The cubic root of 11104409 is about 223.0994415300.

The spelling of 11104409 in words is "eleven million, one hundred four thousand, four hundred nine".