11297161 has 2 divisors, whose sum is σ = 11297162. Its totient is φ = 11297160.

The previous prime is 11297149. The next prime is 11297171. The reversal of 11297161 is 16179211.

11297161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10725625 + 571536 = 3275^2 + 756^2 .

It is an emirp because it is prime and its reverse (16179211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11297161 - 2¹¹ = 11295113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11297141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5648580 + 5648581.

It is an arithmetic number, because the mean of its divisors is an integer number (5648581).

Almost surely, 2^11297161 is an apocalyptic number.

It is an amenable number.

11297161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11297161 is an equidigital number, since it uses as much as digits as its factorization.

11297161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 28.

The square root of 11297161 is about 3361.1249604857. The cubic root of 11297161 is about 224.3829082700.

The spelling of 11297161 in words is "eleven million, two hundred ninety-seven thousand, one hundred sixty-one".