11311875 has 30 divisors (see below), whose sum is σ = 20427836. Its totient is φ = 6030000.

The previous prime is 11311841. The next prime is 11311877. The reversal of 11311875 is 57811311.

It is not a de Polignac number, because 11311875 - 2⁷ = 11311747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311877) 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 29 ways as a sum of consecutive naturals, for example, 4620 + ... + 6630.

Almost surely, 2^11311875 is an apocalyptic number.

11311875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11311875 is a deficient number, since it is larger than the sum of its proper divisors (9115961).

11311875 is an equidigital number, since it uses as much as digits as its factorization.

11311875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037 (or 2019 counting only the distinct ones).

The product of its digits is 840, while the sum is 27.

The square root of 11311875 is about 3363.3130987168. The cubic root of 11311875 is about 224.4802819308.

The spelling of 11311875 in words is "eleven million, three hundred eleven thousand, eight hundred seventy-five".