11130804 has 48 divisors (see below), whose sum is σ = 30119040. Its totient is φ = 3548160.

The previous prime is 11130799. The next prime is 11130817. The reversal of 11130804 is 40803111.

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 15 ways as a sum of consecutive naturals, for example, 244 + ... + 4724.

It is an arithmetic number, because the mean of its divisors is an integer number (627480).

Almost surely, 2^11130804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11130804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15059520).

11130804 is an abundant number, since it is smaller than the sum of its proper divisors (18988236).

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

11130804 is a wasteful number, since it uses less digits than its factorization.

11130804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517 (or 4509 counting only the distinct ones).

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

The square root of 11130804 is about 3336.2859589669. The cubic root of 11130804 is about 223.2760695739.

Adding to 11130804 its reverse (40803111), we get a palindrome (51933915).

The spelling of 11130804 in words is "eleven million, one hundred thirty thousand, eight hundred four".