11804161 has 2 divisors, whose sum is σ = 11804162. Its totient is φ = 11804160.

The previous prime is 11804153. The next prime is 11804167. The reversal of 11804161 is 16140811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 32400 = 3431^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 11804161 - 2³ = 11804153 is a prime.

It is not a weakly prime, because it can be changed into another prime (11804167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5902080 + 5902081.

It is an arithmetic number, because the mean of its divisors is an integer number (5902081).

Almost surely, 2^11804161 is an apocalyptic number.

11804161 is the 1537-th centered decagonal number.

It is an amenable number.

11804161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11804161 is an equidigital number, since it uses as much as digits as its factorization.

11804161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 11804161 is about 3435.7184110459. The cubic root of 11804161 is about 227.6905684960.

Adding to 11804161 its reverse (16140811), we get a palindrome (27944972).

The spelling of 11804161 in words is "eleven million, eight hundred four thousand, one hundred sixty-one".