206115170741 has 2 divisors, whose sum is σ = 206115170742. Its totient is φ = 206115170740.

The previous prime is 206115170707. The next prime is 206115170759. The reversal of 206115170741 is 147071511602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203319828100 + 2795342641 = 450910^2 + 52871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206115170741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206115170791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103057585370 + 103057585371.

It is an arithmetic number, because the mean of its divisors is an integer number (103057585371).

Almost surely, 2^206115170741 is an apocalyptic number.

It is an amenable number.

206115170741 is a deficient number, since it is larger than the sum of its proper divisors (1).

206115170741 is an equidigital number, since it uses as much as digits as its factorization.

206115170741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 35.

The spelling of 206115170741 in words is "two hundred six billion, one hundred fifteen million, one hundred seventy thousand, seven hundred forty-one".