11117409 has 8 divisors (see below), whose sum is σ = 14838912. Its totient is φ = 7403760.

The previous prime is 11117399. The next prime is 11117417. The reversal of 11117409 is 90471111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11117409 - 2²⁰ = 10068833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11117419) 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 in 7 ways as a sum of consecutive naturals, for example, 3579 + ... + 5919.

It is an arithmetic number, because the mean of its divisors is an integer number (1854864).

Almost surely, 2^11117409 is an apocalyptic number.

It is an amenable number.

11117409 is a deficient number, since it is larger than the sum of its proper divisors (3721503).

11117409 is a wasteful number, since it uses less digits than its factorization.

11117409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927.

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 11117409 is about 3334.2778828406. The cubic root of 11117409 is about 223.1864688743.

The spelling of 11117409 in words is "eleven million, one hundred seventeen thousand, four hundred nine".