206611361711 has 2 divisors, whose sum is σ = 206611361712. Its totient is φ = 206611361710.

The previous prime is 206611361699. The next prime is 206611361717. The reversal of 206611361711 is 117163116602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206611361711 - 2¹⁸ = 206611099567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206611361717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103305680855 + 103305680856.

It is an arithmetic number, because the mean of its divisors is an integer number (103305680856).

Almost surely, 2^206611361711 is an apocalyptic number.

206611361711 is a deficient number, since it is larger than the sum of its proper divisors (1).

206611361711 is an equidigital number, since it uses as much as digits as its factorization.

206611361711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 206611361711 in words is "two hundred six billion, six hundred eleven million, three hundred sixty-one thousand, seven hundred eleven".