206159239912099 has 2 divisors, whose sum is σ = 206159239912100. Its totient is φ = 206159239912098.

The previous prime is 206159239912081. The next prime is 206159239912103. The reversal of 206159239912099 is 990219932951602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206159239912099 - 2⁷ = 206159239911971 is a prime.

It is a super-2 number, since 2×206159239912099² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (206159239912399) 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, 103079619956049 + 103079619956050.

It is an arithmetic number, because the mean of its divisors is an integer number (103079619956050).

Almost surely, 2^{206159239912099} is an apocalyptic number.

206159239912099 is a deficient number, since it is larger than the sum of its proper divisors (1).

206159239912099 is an equidigital number, since it uses as much as digits as its factorization.

206159239912099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42515280, while the sum is 67.

The spelling of 206159239912099 in words is "two hundred six trillion, one hundred fifty-nine billion, two hundred thirty-nine million, nine hundred twelve thousand, ninety-nine".