11130320 has 30 divisors (see below), whose sum is σ = 25947558. Its totient is φ = 4440192.

The previous prime is 11130313. The next prime is 11130323. The reversal of 11130320 is 2303111.

11130320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1420864 + 9709456 = 1192^2 + 3116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29654 + ... + 30026.

Almost surely, 2^11130320 is an apocalyptic number.

11130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11130320 is an abundant number, since it is smaller than the sum of its proper divisors (14817238).

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

11130320 is an frugal number, since it uses more digits than its factorization.

11130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 11130320 is about 3336.2134224297. The cubic root of 11130320 is about 223.2728332942.

Adding to 11130320 its reverse (2303111), we get a palindrome (13433431).

The spelling of 11130320 in words is "eleven million, one hundred thirty thousand, three hundred twenty".