205512330116579 has 2 divisors, whose sum is σ = 205512330116580. Its totient is φ = 205512330116578.

The previous prime is 205512330116573. The next prime is 205512330116627. The reversal of 205512330116579 is 975611033215502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205512330116579 - 2¹⁶ = 205512330051043 is a prime.

It is not a weakly prime, because it can be changed into another prime (205512330116573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102756165058289 + 102756165058290.

It is an arithmetic number, because the mean of its divisors is an integer number (102756165058290).

Almost surely, 2^{205512330116579} is an apocalyptic number.

205512330116579 is a deficient number, since it is larger than the sum of its proper divisors (1).

205512330116579 is an equidigital number, since it uses as much as digits as its factorization.

205512330116579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The spelling of 205512330116579 in words is "two hundred five trillion, five hundred twelve billion, three hundred thirty million, one hundred sixteen thousand, five hundred seventy-nine".