1196771761217 has 2 divisors, whose sum is σ = 1196771761218. Its totient is φ = 1196771761216.

The previous prime is 1196771761177. The next prime is 1196771761223. The reversal of 1196771761217 is 7121671776911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 964856317441 + 231915443776 = 982271^2 + 481576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1196771761217 - 2⁶ = 1196771761153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1196771761117) 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, 598385880608 + 598385880609.

It is an arithmetic number, because the mean of its divisors is an integer number (598385880609).

Almost surely, 2^{1196771761217} is an apocalyptic number.

It is an amenable number.

1196771761217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196771761217 is an equidigital number, since it uses as much as digits as its factorization.

1196771761217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555848, while the sum is 56.

The spelling of 1196771761217 in words is "one trillion, one hundred ninety-six billion, seven hundred seventy-one million, seven hundred sixty-one thousand, two hundred seventeen".