11190885 has 16 divisors (see below), whose sum is σ = 17957184. Its totient is φ = 5951232.

The previous prime is 11190871. The next prime is 11190887. The reversal of 11190885 is 58809111.

It is not a de Polignac number, because 11190885 - 2⁵ = 11190853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11190887) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5634 + ... + 7356.

It is an arithmetic number, because the mean of its divisors is an integer number (1122324).

Almost surely, 2^11190885 is an apocalyptic number.

11190885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11190885 is a deficient number, since it is larger than the sum of its proper divisors (6766299).

11190885 is a wasteful number, since it uses less digits than its factorization.

11190885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164.

The product of its (nonzero) digits is 2880, while the sum is 33.

The square root of 11190885 is about 3345.2780153524. The cubic root of 11190885 is about 223.6770764094.

Adding to 11190885 its reverse (58809111), we get a palindrome (69999996).

The spelling of 11190885 in words is "eleven million, one hundred ninety thousand, eight hundred eighty-five".