11043663434281 has 2 divisors, whose sum is σ = 11043663434282. Its totient is φ = 11043663434280.

The previous prime is 11043663434261. The next prime is 11043663434389. The reversal of 11043663434281 is 18243436634011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6918767426025 + 4124896008256 = 2630355^2 + 2030984^2 .

It is a cyclic number.

It is not a de Polignac number, because 11043663434281 - 2⁹ = 11043663433769 is a prime.

It is a super-2 number, since 2×11043663434281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11043663434231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521831717140 + 5521831717141.

It is an arithmetic number, because the mean of its divisors is an integer number (5521831717141).

Almost surely, 2^{11043663434281} is an apocalyptic number.

It is an amenable number.

11043663434281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11043663434281 is an equidigital number, since it uses as much as digits as its factorization.

11043663434281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 11043663434281 in words is "eleven trillion, forty-three billion, six hundred sixty-three million, four hundred thirty-four thousand, two hundred eighty-one".