211064770774141 has 2 divisors, whose sum is σ = 211064770774142. Its totient is φ = 211064770774140.

The previous prime is 211064770773977. The next prime is 211064770774177. The reversal of 211064770774141 is 141477077460112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164360476699225 + 46704294074916 = 12820315^2 + 6834054^2 .

It is a cyclic number.

It is not a de Polignac number, because 211064770774141 - 2³⁷ = 210927331820669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211064777774141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105532385387070 + 105532385387071.

It is an arithmetic number, because the mean of its divisors is an integer number (105532385387071).

Almost surely, 2^{211064770774141} is an apocalyptic number.

It is an amenable number.

211064770774141 is a deficient number, since it is larger than the sum of its proper divisors (1).

211064770774141 is an equidigital number, since it uses as much as digits as its factorization.

211064770774141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1843968, while the sum is 52.

The spelling of 211064770774141 in words is "two hundred eleven trillion, sixty-four billion, seven hundred seventy million, seven hundred seventy-four thousand, one hundred forty-one".