551415060967717 has 2 divisors, whose sum is σ = 551415060967718. Its totient is φ = 551415060967716.

The previous prime is 551415060967663. The next prime is 551415060967741. The reversal of 551415060967717 is 717769060514155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532542344380641 + 18872716587076 = 23076879^2 + 4344274^2 .

It is a cyclic number.

It is not a de Polignac number, because 551415060967717 - 2¹¹ = 551415060965669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551415060967747) 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, 275707530483858 + 275707530483859.

It is an arithmetic number, because the mean of its divisors is an integer number (275707530483859).

Almost surely, 2^{551415060967717} is an apocalyptic number.

It is an amenable number.

551415060967717 is a deficient number, since it is larger than the sum of its proper divisors (1).

551415060967717 is an equidigital number, since it uses as much as digits as its factorization.

551415060967717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55566000, while the sum is 64.

The spelling of 551415060967717 in words is "five hundred fifty-one trillion, four hundred fifteen billion, sixty million, nine hundred sixty-seven thousand, seven hundred seventeen".