11875009 has 8 divisors (see below), whose sum is σ = 12235520. Its totient is φ = 11518416.

The previous prime is 11875001. The next prime is 11875033. The reversal of 11875009 is 90057811.

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

It is a cyclic number.

It is not a de Polignac number, because 11875009 - 2³ = 11875001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11875001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872 + ... + 7630.

It is an arithmetic number, because the mean of its divisors is an integer number (1529440).

Almost surely, 2^11875009 is an apocalyptic number.

It is an amenable number.

11875009 is a deficient number, since it is larger than the sum of its proper divisors (360511).

11875009 is a wasteful number, since it uses less digits than its factorization.

11875009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 11875009 is about 3446.0134938796. The cubic root of 11875009 is about 228.1451894060.

The spelling of 11875009 in words is "eleven million, eight hundred seventy-five thousand, nine".