11109404 has 12 divisors (see below), whose sum is σ = 19732104. Its totient is φ = 5471664.

The previous prime is 11109403. The next prime is 11109419. The reversal of 11109404 is 40490111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11109403) 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, 20459 + ... + 20994.

It is an arithmetic number, because the mean of its divisors is an integer number (1644342).

Almost surely, 2^11109404 is an apocalyptic number.

It is an amenable number.

11109404 is a deficient number, since it is larger than the sum of its proper divisors (8622700).

11109404 is a wasteful number, since it uses less digits than its factorization.

11109404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41524 (or 41522 counting only the distinct ones).

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

The square root of 11109404 is about 3333.0772568304. The cubic root of 11109404 is about 223.1328881445.

Adding to 11109404 its reverse (40490111), we get a palindrome (51599515).

The spelling of 11109404 in words is "eleven million, one hundred nine thousand, four hundred four".