11468161021 has 2 divisors, whose sum is σ = 11468161022. Its totient is φ = 11468161020.

The previous prime is 11468161009. The next prime is 11468161027. The reversal of 11468161021 is 12016186411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9314180100 + 2153980921 = 96510^2 + 46411^2 .

It is an emirp because it is prime and its reverse (12016186411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11468161021 - 2²⁷ = 11333943293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11468161027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5734080510 + 5734080511.

It is an arithmetic number, because the mean of its divisors is an integer number (5734080511).

Almost surely, 2^11468161021 is an apocalyptic number.

It is an amenable number.

11468161021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11468161021 is an equidigital number, since it uses as much as digits as its factorization.

11468161021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 11468161021 in words is "eleven billion, four hundred sixty-eight million, one hundred sixty-one thousand, twenty-one".