11116404 has 36 divisors (see below), whose sum is σ = 30262596. Its totient is φ = 3420288.

The previous prime is 11116381. The next prime is 11116421. The reversal of 11116404 is 40461111.

11116404 is a `hidden beast` number, since 11 + 11 + 640 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4613904 + 6502500 = 2148^2 + 2550^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11409 + ... + 12344.

Almost surely, 2^11116404 is an apocalyptic number.

It is an amenable number.

11116404 is an abundant number, since it is smaller than the sum of its proper divisors (19146192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11116404 is a wasteful number, since it uses less digits than its factorization.

11116404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23776 (or 23771 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11116404 is about 3334.1271721397. The cubic root of 11116404 is about 223.1797434116.

Adding to 11116404 its reverse (40461111), we get a palindrome (51577515).

The spelling of 11116404 in words is "eleven million, one hundred sixteen thousand, four hundred four".