11880915 has 8 divisors (see below), whose sum is σ = 19009488. Its totient is φ = 6336480.

The previous prime is 11880899. The next prime is 11880919. The reversal of 11880915 is 51908811.

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

It is not a de Polignac number, because 11880915 - 2⁴ = 11880899 is a prime.

It is a super-2 number, since 2×11880915² = 282312282474450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11880919) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 396016 + ... + 396045.

It is an arithmetic number, because the mean of its divisors is an integer number (2376186).

Almost surely, 2^11880915 is an apocalyptic number.

11880915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11880915 is a deficient number, since it is larger than the sum of its proper divisors (7128573).

11880915 is an equidigital number, since it uses as much as digits as its factorization.

11880915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792069.

The product of its (nonzero) digits is 2880, while the sum is 33.

The square root of 11880915 is about 3446.8703195798. The cubic root of 11880915 is about 228.1830055786.

The spelling of 11880915 in words is "eleven million, eight hundred eighty thousand, nine hundred fifteen".