11328915 has 48 divisors (see below), whose sum is σ = 20291040. Its totient is φ = 5391360.

The previous prime is 11328901. The next prime is 11328931. The reversal of 11328915 is 51982311.

It is not a de Polignac number, because 11328915 - 2⁷ = 11328787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103881 + ... + 103989.

It is an arithmetic number, because the mean of its divisors is an integer number (422730).

Almost surely, 2^11328915 is an apocalyptic number.

11328915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11328915 is a deficient number, since it is larger than the sum of its proper divisors (8962125).

11328915 is a wasteful number, since it uses less digits than its factorization.

11328915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 171 counting only the distinct ones).

The product of its digits is 2160, while the sum is 30.

The square root of 11328915 is about 3365.8453618668. The cubic root of 11328915 is about 224.5929430326.

The spelling of 11328915 in words is "eleven million, three hundred twenty-eight thousand, nine hundred fifteen".