11333161 has 6 divisors (see below), whose sum is σ = 13183530. Its totient is φ = 9714096.

The previous prime is 11333131. The next prime is 11333167. The reversal of 11333161 is 16133311.

11333161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 3493161 = 2800^2 + 1869^2 .

It is not a de Polignac number, because 11333161 - 2¹⁷ = 11202089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11333167) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 115596 + ... + 115693.

It is an arithmetic number, because the mean of its divisors is an integer number (2197255).

Almost surely, 2^11333161 is an apocalyptic number.

It is an amenable number.

11333161 is a deficient number, since it is larger than the sum of its proper divisors (1850369).

11333161 is an equidigital number, since it uses as much as digits as its factorization.

11333161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231303 (or 231296 counting only the distinct ones).

The product of its digits is 162, while the sum is 19.

The square root of 11333161 is about 3366.4760507094. The cubic root of 11333161 is about 224.6209981618.

Adding to 11333161 its reverse (16133311), we get a palindrome (27466472).

The spelling of 11333161 in words is "eleven million, three hundred thirty-three thousand, one hundred sixty-one".