11133856 has 12 divisors (see below), whose sum is σ = 21919842. Its totient is φ = 5566912.

The previous prime is 11133841. The next prime is 11133907. The reversal of 11133856 is 65833111.

It can be written as a sum of positive squares in only one way, i.e., 6656400 + 4477456 = 2580^2 + 2116^2 .

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 as a sum of consecutive naturals, namely, 173935 + ... + 173998.

Almost surely, 2^11133856 is an apocalyptic number.

11133856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11133856 is a deficient number, since it is larger than the sum of its proper divisors (10785986).

11133856 is an equidigital number, since it uses as much as digits as its factorization.

11133856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347943 (or 347935 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 11133856 is about 3336.7433224628. The cubic root of 11133856 is about 223.2964746974.

Adding to 11133856 its reverse (65833111), we get a palindrome (76966967).

The spelling of 11133856 in words is "eleven million, one hundred thirty-three thousand, eight hundred fifty-six".