1316556067247 has 2 divisors, whose sum is σ = 1316556067248. Its totient is φ = 1316556067246.

The previous prime is 1316556067241. The next prime is 1316556067249. The reversal of 1316556067247 is 7427606556131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1316556067247 - 2¹⁶ = 1316556001711 is a prime.

Together with 1316556067249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316556067241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658278033623 + 658278033624.

It is an arithmetic number, because the mean of its divisors is an integer number (658278033624).

Almost surely, 2^{1316556067247} is an apocalyptic number.

1316556067247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316556067247 is an equidigital number, since it uses as much as digits as its factorization.

1316556067247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 1316556067247 in words is "one trillion, three hundred sixteen billion, five hundred fifty-six million, sixty-seven thousand, two hundred forty-seven".