11775131 has 8 divisors (see below), whose sum is σ = 12266400. Its totient is φ = 11289600.

The previous prime is 11775097. The next prime is 11775191. The reversal of 11775131 is 13157711.

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 11775131 - 2¹⁸ = 11512987 is a prime.

It is a super-2 number, since 2×11775131² = 277307420134322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11775131.

It is not an unprimeable number, because it can be changed into a prime (11775191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035 + ... + 5723.

It is an arithmetic number, because the mean of its divisors is an integer number (1533300).

Almost surely, 2^11775131 is an apocalyptic number.

11775131 is a deficient number, since it is larger than the sum of its proper divisors (491269).

11775131 is a wasteful number, since it uses less digits than its factorization.

11775131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869.

The product of its digits is 735, while the sum is 26.

The square root of 11775131 is about 3431.4910753199. The cubic root of 11775131 is about 227.5037619633.

The spelling of 11775131 in words is "eleven million, seven hundred seventy-five thousand, one hundred thirty-one".