11118285 has 12 divisors (see below), whose sum is σ = 19271772. Its totient is φ = 5929728.

The previous prime is 11118271. The next prime is 11118307. The reversal of 11118285 is 58281111.

It can be written as a sum of positive squares in 2 ways, for example, as 8749764 + 2368521 = 2958^2 + 1539^2 .

It is not a de Polignac number, because 11118285 - 2⁵ = 11118253 is a prime.

It is a super-2 number, since 2×11118285² = 247232522682450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123492 + ... + 123581.

It is an arithmetic number, because the mean of its divisors is an integer number (1605981).

Almost surely, 2^11118285 is an apocalyptic number.

11118285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11118285 is a deficient number, since it is larger than the sum of its proper divisors (8153487).

11118285 is a wasteful number, since it uses less digits than its factorization.

11118285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247084 (or 247081 counting only the distinct ones).

The product of its digits is 640, while the sum is 27.

The square root of 11118285 is about 3334.4092430294. The cubic root of 11118285 is about 223.1923307381.

Adding to 11118285 its reverse (58281111), we get a palindrome (69399396).

The spelling of 11118285 in words is "eleven million, one hundred eighteen thousand, two hundred eighty-five".