11572875 has 56 divisors (see below), whose sum is σ = 21825024. Its totient is φ = 6123600.

The previous prime is 11572867. The next prime is 11572907. The reversal of 11572875 is 57827511.

11572875 is a `hidden beast` number, since 1 + 1 + 572 + 87 + 5 = 666.

It is not a de Polignac number, because 11572875 - 2³ = 11572867 is a prime.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 91062 + ... + 91188.

Almost surely, 2^11572875 is an apocalyptic number.

11572875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11572875 is a deficient number, since it is larger than the sum of its proper divisors (10252149).

11572875 is an frugal number, since it uses more digits than its factorization.

11572875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 135 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The square root of 11572875 is about 3401.8928554556. The cubic root of 11572875 is about 226.1936562891.

The spelling of 11572875 in words is "eleven million, five hundred seventy-two thousand, eight hundred seventy-five".