11303322161 has 2 divisors, whose sum is σ = 11303322162. Its totient is φ = 11303322160.

The previous prime is 11303322139. The next prime is 11303322169. The reversal of 11303322161 is 16122330311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8878350625 + 2424971536 = 94225^2 + 49244^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303322161 - 2³⁰ = 10229580337 is a prime.

It is not a weakly prime, because it can be changed into another prime (11303322169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651661080 + 5651661081.

It is an arithmetic number, because the mean of its divisors is an integer number (5651661081).

Almost surely, 2^11303322161 is an apocalyptic number.

It is an amenable number.

11303322161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303322161 is an equidigital number, since it uses as much as digits as its factorization.

11303322161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11303322161 its reverse (16122330311), we get a palindrome (27425652472).

The spelling of 11303322161 in words is "eleven billion, three hundred three million, three hundred twenty-two thousand, one hundred sixty-one".