11512875 has 32 divisors (see below), whose sum is σ = 20906496. Its totient is φ = 5580000.

The previous prime is 11512861. The next prime is 11512901. The reversal of 11512875 is 57821511.

It is not a de Polignac number, because 11512875 - 2⁵ = 11512843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2730 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (653328).

Almost surely, 2^11512875 is an apocalyptic number.

11512875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11512875 is a deficient number, since it is larger than the sum of its proper divisors (9393621).

11512875 is a wasteful number, since it uses less digits than its factorization.

11512875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2810 counting only the distinct ones).

The product of its digits is 2800, while the sum is 30.

The square root of 11512875 is about 3393.0627757234. The cubic root of 11512875 is about 225.8020756503.

The spelling of 11512875 in words is "eleven million, five hundred twelve thousand, eight hundred seventy-five".