11875915 has 4 divisors (see below), whose sum is σ = 14251104. Its totient is φ = 9500728.

The previous prime is 11875901. The next prime is 11875921. The reversal of 11875915 is 51957811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11875915 - 2⁹ = 11875403 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1187587 + ... + 1187596.

It is an arithmetic number, because the mean of its divisors is an integer number (3562776).

Almost surely, 2^11875915 is an apocalyptic number.

11875915 is a deficient number, since it is larger than the sum of its proper divisors (2375189).

11875915 is an equidigital number, since it uses as much as digits as its factorization.

11875915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375188.

The product of its digits is 12600, while the sum is 37.

The square root of 11875915 is about 3446.1449476190. The cubic root of 11875915 is about 228.1509913464.

The spelling of 11875915 in words is "eleven million, eight hundred seventy-five thousand, nine hundred fifteen".