11380915 has 16 divisors (see below), whose sum is σ = 16809408. Its totient is φ = 7203456.

The previous prime is 11380907. The next prime is 11380921. The reversal of 11380915 is 51908311.

It is not a de Polignac number, because 11380915 - 2³ = 11380907 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12052 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (1050588).

Almost surely, 2^11380915 is an apocalyptic number.

11380915 is a deficient number, since it is larger than the sum of its proper divisors (5428493).

11380915 is a wasteful number, since it uses less digits than its factorization.

11380915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25038.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11380915 is about 3373.5611747825. The cubic root of 11380915 is about 224.9360476680.

The spelling of 11380915 in words is "eleven million, three hundred eighty thousand, nine hundred fifteen".