56045042721713 has 2 divisors, whose sum is σ = 56045042721714. Its totient is φ = 56045042721712.

The previous prime is 56045042721709. The next prime is 56045042721763. The reversal of 56045042721713 is 31712724054065.

56045042721713 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., 53338599875584 + 2706442846129 = 7303328^2 + 1645127^2 .

It is a cyclic number.

It is not a de Polignac number, because 56045042721713 - 2² = 56045042721709 is a prime.

It is not a weakly prime, because it can be changed into another prime (56045042721763) 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, 28022521360856 + 28022521360857.

It is an arithmetic number, because the mean of its divisors is an integer number (28022521360857).

Almost surely, 2^{56045042721713} is an apocalyptic number.

It is an amenable number.

56045042721713 is a deficient number, since it is larger than the sum of its proper divisors (1).

56045042721713 is an equidigital number, since it uses as much as digits as its factorization.

56045042721713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 47.

Adding to 56045042721713 its reverse (31712724054065), we get a palindrome (87757766775778).

The spelling of 56045042721713 in words is "fifty-six trillion, forty-five billion, forty-two million, seven hundred twenty-one thousand, seven hundred thirteen".