11169409 has 8 divisors (see below), whose sum is σ = 11518848. Its totient is φ = 10824720.

The previous prime is 11169383. The next prime is 11169419. The reversal of 11169409 is 90496111.

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

It is a cyclic number.

It is not a de Polignac number, because 11169409 - 2⁵ = 11169377 is a prime.

It is a super-3 number, since 3×11169409³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11169419) 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, 3919 + ... + 6139.

It is an arithmetic number, because the mean of its divisors is an integer number (1439856).

Almost surely, 2^11169409 is an apocalyptic number.

It is an amenable number.

11169409 is a deficient number, since it is larger than the sum of its proper divisors (349439).

11169409 is a wasteful number, since it uses less digits than its factorization.

11169409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375.

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

The square root of 11169409 is about 3342.0665762369. The cubic root of 11169409 is about 223.5339014049.

The spelling of 11169409 in words is "eleven million, one hundred sixty-nine thousand, four hundred nine".