1167081844559 has 2 divisors, whose sum is σ = 1167081844560. Its totient is φ = 1167081844558.

The previous prime is 1167081844549. The next prime is 1167081844633. The reversal of 1167081844559 is 9554481807611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1167081844559 - 2⁴⁰ = 67570216783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1167081844498 and 1167081844507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167081844549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583540922279 + 583540922280.

It is an arithmetic number, because the mean of its divisors is an integer number (583540922280).

Almost surely, 2^{1167081844559} is an apocalyptic number.

1167081844559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167081844559 is an equidigital number, since it uses as much as digits as its factorization.

1167081844559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9676800, while the sum is 59.

The spelling of 1167081844559 in words is "one trillion, one hundred sixty-seven billion, eighty-one million, eight hundred forty-four thousand, five hundred fifty-nine".