11136161 has 4 divisors (see below), whose sum is σ = 11495424. Its totient is φ = 10776900.

The previous prime is 11136121. The next prime is 11136187. The reversal of 11136161 is 16163111.

It is a happy number.

11136161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11136161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11136121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179585 + ... + 179646.

It is an arithmetic number, because the mean of its divisors is an integer number (2873856).

Almost surely, 2^11136161 is an apocalyptic number.

It is an amenable number.

11136161 is a deficient number, since it is larger than the sum of its proper divisors (359263).

11136161 is an equidigital number, since it uses as much as digits as its factorization.

11136161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359262.

The product of its digits is 108, while the sum is 20.

The square root of 11136161 is about 3337.0887012484. The cubic root of 11136161 is about 223.3118830417.

Adding to 11136161 its reverse (16163111), we get a palindrome (27299272).

The spelling of 11136161 in words is "eleven million, one hundred thirty-six thousand, one hundred sixty-one".