11875015 has 16 divisors (see below), whose sum is σ = 15353856. Its totient is φ = 8791200.

The previous prime is 11875001. The next prime is 11875033. The reversal of 11875015 is 51057811.

It is not a de Polignac number, because 11875015 - 2⁷ = 11874887 is a prime.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1900 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (959616).

Almost surely, 2^11875015 is an apocalyptic number.

11875015 is a deficient number, since it is larger than the sum of its proper divisors (3478841).

11875015 is a wasteful number, since it uses less digits than its factorization.

11875015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 11875015 is about 3446.0143644506. The cubic root of 11875015 is about 228.1452278304.

It can be divided in two parts, 1 and 1875015, that added together give a triangular number (1875016 = T₁₉₃₆).

The spelling of 11875015 in words is "eleven million, eight hundred seventy-five thousand, fifteen".