11130505 has 8 divisors (see below), whose sum is σ = 13937472. Its totient is φ = 8517168.

The previous prime is 11130473. The next prime is 11130517. The reversal of 11130505 is 50503111.

11130505 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 11130505 - 2⁵ = 11130473 is a prime.

It is a Duffinian number.

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, 48279 + ... + 48508.

It is an arithmetic number, because the mean of its divisors is an integer number (1742184).

Almost surely, 2^11130505 is an apocalyptic number.

It is an amenable number.

11130505 is a deficient number, since it is larger than the sum of its proper divisors (2806967).

11130505 is an equidigital number, since it uses as much as digits as its factorization.

11130505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96815.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 11130505 is about 3336.2411483584. The cubic root of 11130505 is about 223.2740703130.

Adding to 11130505 its reverse (50503111), we get a palindrome (61633616).

The spelling of 11130505 in words is "eleven million, one hundred thirty thousand, five hundred five".