545215305577 has 2 divisors, whose sum is σ = 545215305578. Its totient is φ = 545215305576.

The previous prime is 545215305461. The next prime is 545215305587. The reversal of 545215305577 is 775503512545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491266417216 + 53948888361 = 700904^2 + 232269^2 .

It is a cyclic number.

It is not a de Polignac number, because 545215305577 - 2¹⁵ = 545215272809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545215305577.

It is not a weakly prime, because it can be changed into another prime (545215305587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272607652788 + 272607652789.

It is an arithmetic number, because the mean of its divisors is an integer number (272607652789).

Almost surely, 2^545215305577 is an apocalyptic number.

It is an amenable number.

545215305577 is a deficient number, since it is larger than the sum of its proper divisors (1).

545215305577 is an equidigital number, since it uses as much as digits as its factorization.

545215305577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3675000, while the sum is 49.

The spelling of 545215305577 in words is "five hundred forty-five billion, two hundred fifteen million, three hundred five thousand, five hundred seventy-seven".