43111444104217 has 2 divisors, whose sum is σ = 43111444104218. Its totient is φ = 43111444104216.

The previous prime is 43111444104203. The next prime is 43111444104247. The reversal of 43111444104217 is 71240144411134.

43111444104217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43070593226761 + 40850877456 = 6562819^2 + 202116^2 .

It is a cyclic number.

It is not a de Polignac number, because 43111444104217 - 2⁷ = 43111444104089 is a prime.

It is a super-2 number, since 2×43111444104217² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43111444104247) 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, 21555722052108 + 21555722052109.

It is an arithmetic number, because the mean of its divisors is an integer number (21555722052109).

Almost surely, 2^{43111444104217} is an apocalyptic number.

It is an amenable number.

43111444104217 is a deficient number, since it is larger than the sum of its proper divisors (1).

43111444104217 is an equidigital number, since it uses as much as digits as its factorization.

43111444104217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 43111444104217 in words is "forty-three trillion, one hundred eleven billion, four hundred forty-four million, one hundred four thousand, two hundred seventeen".