11123085 has 16 divisors (see below), whose sum is σ = 17856576. Its totient is φ = 5912448.

The previous prime is 11123071. The next prime is 11123107. The reversal of 11123085 is 58032111.

It is not a de Polignac number, because 11123085 - 2⁴ = 11123069 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 4137 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (1116036).

Almost surely, 2^11123085 is an apocalyptic number.

11123085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11123085 is a deficient number, since it is larger than the sum of its proper divisors (6733491).

11123085 is a wasteful number, since it uses less digits than its factorization.

11123085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11123085 is about 3335.1289330399. The cubic root of 11123085 is about 223.2244450751.

Adding to 11123085 its reverse (58032111), we get a palindrome (69155196).

The spelling of 11123085 in words is "eleven million, one hundred twenty-three thousand, eighty-five".