11112804 has 36 divisors (see below), whose sum is σ = 28779660. Its totient is φ = 3613440.

The previous prime is 11112769. The next prime is 11112809. The reversal of 11112804 is 40821111.

It can be written as a sum of positive squares in 2 ways, for example, as 1822500 + 9290304 = 1350^2 + 3048^2 .

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 not an unprimeable number, because it can be changed into a prime (11112809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2289 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (799435).

Almost surely, 2^11112804 is an apocalyptic number.

It is an amenable number.

11112804 is an abundant number, since it is smaller than the sum of its proper divisors (17666856).

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

11112804 is a wasteful number, since it uses less digits than its factorization.

11112804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580 (or 7575 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11112804 is about 3333.5872569951. The cubic root of 11112804 is about 223.1556488746.

Adding to 11112804 its reverse (40821111), we get a palindrome (51933915).

The spelling of 11112804 in words is "eleven million, one hundred twelve thousand, eight hundred four".