11161233 has 24 divisors (see below), whose sum is σ = 17454528. Its totient is φ = 7113744.

The previous prime is 11161229. The next prime is 11161289. The reversal of 11161233 is 33216111.

It is not a de Polignac number, because 11161233 - 2² = 11161229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11161933) 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 23 ways as a sum of consecutive naturals, for example, 4591 + ... + 6587.

It is an arithmetic number, because the mean of its divisors is an integer number (727272).

Almost surely, 2^11161233 is an apocalyptic number.

It is an amenable number.

11161233 is a deficient number, since it is larger than the sum of its proper divisors (6293295).

11161233 is an equidigital number, since it uses as much as digits as its factorization.

11161233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035 (or 2023 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 11161233 is about 3340.8431570488. The cubic root of 11161233 is about 223.4793458685.

Adding to 11161233 its reverse (33216111), we get a palindrome (44377344).

The spelling of 11161233 in words is "eleven million, one hundred sixty-one thousand, two hundred thirty-three".