11166885 has 48 divisors (see below), whose sum is σ = 20592000. Its totient is φ = 5588352.

The previous prime is 11166877. The next prime is 11166893. The reversal of 11166885 is 58866111.

It is an interprime number because it is at equal distance from previous prime (11166877) and next prime (11166893).

It is not a de Polignac number, because 11166885 - 2³ = 11166877 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 56016 + ... + 56214.

It is an arithmetic number, because the mean of its divisors is an integer number (429000).

Almost surely, 2^11166885 is an apocalyptic number.

11166885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11166885 is a deficient number, since it is larger than the sum of its proper divisors (9425115).

11166885 is a wasteful number, since it uses less digits than its factorization.

11166885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 279 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 11166885 is about 3341.6889442316. The cubic root of 11166885 is about 223.5170624933.

It can be divided in two parts, 1116 and 6885, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 11166885 in words is "eleven million, one hundred sixty-six thousand, eight hundred eighty-five".