11089285 has 4 divisors (see below), whose sum is σ = 13307148. Its totient is φ = 8871424.

The previous prime is 11089279. The next prime is 11089297. The reversal of 11089285 is 58298011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58298011 = 31 ⋅1880581.

It can be written as a sum of positive squares in 2 ways, for example, as 6280036 + 4809249 = 2506^2 + 2193^2 .

It is a cyclic number.

It is not a de Polignac number, because 11089285 - 2⁷ = 11089157 is a prime.

It is a super-2 number, since 2×11089285² = 245944483622450, 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 11089285.

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 3 ways as a sum of consecutive naturals, for example, 1108924 + ... + 1108933.

It is an arithmetic number, because the mean of its divisors is an integer number (3326787).

Almost surely, 2^11089285 is an apocalyptic number.

It is an amenable number.

11089285 is a deficient number, since it is larger than the sum of its proper divisors (2217863).

11089285 is an equidigital number, since it uses as much as digits as its factorization.

11089285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217862.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 11089285 is about 3330.0578073061. The cubic root of 11089285 is about 222.9981097388.

The spelling of 11089285 in words is "eleven million, eighty-nine thousand, two hundred eighty-five".