11026421366161 has 2 divisors, whose sum is σ = 11026421366162. Its totient is φ = 11026421366160.

The previous prime is 11026421366089. The next prime is 11026421366221. The reversal of 11026421366161 is 16166312462011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10306469116161 + 719952250000 = 3210369^2 + 848500^2 .

It is a cyclic number.

It is not a de Polignac number, because 11026421366161 - 2⁷ = 11026421366033 is a prime.

It is not a weakly prime, because it can be changed into another prime (11026421366461) 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, 5513210683080 + 5513210683081.

It is an arithmetic number, because the mean of its divisors is an integer number (5513210683081).

Almost surely, 2^{11026421366161} is an apocalyptic number.

It is an amenable number.

11026421366161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11026421366161 is an equidigital number, since it uses as much as digits as its factorization.

11026421366161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 11026421366161 in words is "eleven trillion, twenty-six billion, four hundred twenty-one million, three hundred sixty-six thousand, one hundred sixty-one".