1171741667563 has 2 divisors, whose sum is σ = 1171741667564. Its totient is φ = 1171741667562.

The previous prime is 1171741667533. The next prime is 1171741667573. The reversal of 1171741667563 is 3657661471711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1171741667563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1171741667533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585870833781 + 585870833782.

It is an arithmetic number, because the mean of its divisors is an integer number (585870833782).

Almost surely, 2^{1171741667563} is an apocalyptic number.

1171741667563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171741667563 is an equidigital number, since it uses as much as digits as its factorization.

1171741667563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 55.

The spelling of 1171741667563 in words is "one trillion, one hundred seventy-one billion, seven hundred forty-one million, six hundred sixty-seven thousand, five hundred sixty-three".