11130305 has 8 divisors (see below), whose sum is σ = 13640832. Its totient is φ = 8714608.

The previous prime is 11130299. The next prime is 11130313. The reversal of 11130305 is 50303111.

11130305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11130305 - 2⁴ = 11130289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11130305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23447 + ... + 23916.

It is an arithmetic number, because the mean of its divisors is an integer number (1705104).

Almost surely, 2^11130305 is an apocalyptic number.

It is an amenable number.

11130305 is a deficient number, since it is larger than the sum of its proper divisors (2510527).

11130305 is an equidigital number, since it uses as much as digits as its factorization.

11130305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47415.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 11130305 is about 3336.2111743713. The cubic root of 11130305 is about 223.2727329948.

Adding to 11130305 its reverse (50303111), we get a palindrome (61433416).

The spelling of 11130305 in words is "eleven million, one hundred thirty thousand, three hundred five".