205336141051109 has 2 divisors, whose sum is σ = 205336141051110. Its totient is φ = 205336141051108.

The previous prime is 205336141051039. The next prime is 205336141051121. The reversal of 205336141051109 is 901150141633502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169113196948609 + 36222944102500 = 13004353^2 + 6018550^2 .

It is a cyclic number.

It is not a de Polignac number, because 205336141051109 - 2¹² = 205336141047013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205336141051169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102668070525554 + 102668070525555.

It is an arithmetic number, because the mean of its divisors is an integer number (102668070525555).

Almost surely, 2^{205336141051109} is an apocalyptic number.

It is an amenable number.

205336141051109 is a deficient number, since it is larger than the sum of its proper divisors (1).

205336141051109 is an equidigital number, since it uses as much as digits as its factorization.

205336141051109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 205336141051109 in words is "two hundred five trillion, three hundred thirty-six billion, one hundred forty-one million, fifty-one thousand, one hundred nine".