11306161 has 2 divisors, whose sum is σ = 11306162. Its totient is φ = 11306160.

The previous prime is 11306153. The next prime is 11306171. The reversal of 11306161 is 16160311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7480225 + 3825936 = 2735^2 + 1956^2 .

It is an emirp because it is prime and its reverse (16160311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11306161 - 2³ = 11306153 is a prime.

It is not a weakly prime, because it can be changed into another prime (11306101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5653080 + 5653081.

It is an arithmetic number, because the mean of its divisors is an integer number (5653081).

Almost surely, 2^11306161 is an apocalyptic number.

It is an amenable number.

11306161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11306161 is an equidigital number, since it uses as much as digits as its factorization.

11306161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11306161 is about 3362.4635314007. The cubic root of 11306161 is about 224.4424781076.

Adding to 11306161 its reverse (16160311), we get a palindrome (27466472).

The spelling of 11306161 in words is "eleven million, three hundred six thousand, one hundred sixty-one".