11311301161 has 2 divisors, whose sum is σ = 11311301162. Its totient is φ = 11311301160.

The previous prime is 11311301159. The next prime is 11311301189. The reversal of 11311301161 is 16110311311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9754525225 + 1556775936 = 98765^2 + 39456^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311301161 - 2¹ = 11311301159 is a prime.

Together with 11311301159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11311302161) 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 as a sum of consecutive naturals, namely, 5655650580 + 5655650581.

It is an arithmetic number, because the mean of its divisors is an integer number (5655650581).

Almost surely, 2^11311301161 is an apocalyptic number.

It is an amenable number.

11311301161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311301161 is an equidigital number, since it uses as much as digits as its factorization.

11311301161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 11311301161 its reverse (16110311311), we get a palindrome (27421612472).

The spelling of 11311301161 in words is "eleven billion, three hundred eleven million, three hundred one thousand, one hundred sixty-one".