5517645055709 has 2 divisors, whose sum is σ = 5517645055710. Its totient is φ = 5517645055708.

The previous prime is 5517645055639. The next prime is 5517645055717. The reversal of 5517645055709 is 9075505467155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2855271960025 + 2662373095684 = 1689755^2 + 1631678^2 .

It is a cyclic number.

It is not a de Polignac number, because 5517645055709 - 2¹² = 5517645051613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5517645055729) 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, 2758822527854 + 2758822527855.

It is an arithmetic number, because the mean of its divisors is an integer number (2758822527855).

Almost surely, 2^{5517645055709} is an apocalyptic number.

It is an amenable number.

5517645055709 is a deficient number, since it is larger than the sum of its proper divisors (1).

5517645055709 is an equidigital number, since it uses as much as digits as its factorization.

5517645055709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33075000, while the sum is 59.

The spelling of 5517645055709 in words is "five trillion, five hundred seventeen billion, six hundred forty-five million, fifty-five thousand, seven hundred nine".