11130615 has 24 divisors (see below), whose sum is σ = 20009808. Its totient is φ = 5935680.

The previous prime is 11130611. The next prime is 11130617. The reversal of 11130615 is 51603111.

It is not a de Polignac number, because 11130615 - 2² = 11130611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3366 + ... + 5795.

It is an arithmetic number, because the mean of its divisors is an integer number (833742).

Almost surely, 2^11130615 is an apocalyptic number.

11130615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11130615 is a deficient number, since it is larger than the sum of its proper divisors (8879193).

11130615 is an frugal number, since it uses more digits than its factorization.

11130615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9181 (or 9169 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 11130615 is about 3336.2576339366. The cubic root of 11130615 is about 223.2748058312.

Adding to 11130615 its reverse (51603111), we get a palindrome (62733726).

The spelling of 11130615 in words is "eleven million, one hundred thirty thousand, six hundred fifteen".