1191148071163 has 2 divisors, whose sum is σ = 1191148071164. Its totient is φ = 1191148071162.

The previous prime is 1191148071143. The next prime is 1191148071167. The reversal of 1191148071163 is 3611708411911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1191148071163 - 2⁵ = 1191148071131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1191148071167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595574035581 + 595574035582.

It is an arithmetic number, because the mean of its divisors is an integer number (595574035582).

Almost surely, 2^{1191148071163} is an apocalyptic number.

1191148071163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1191148071163 is an equidigital number, since it uses as much as digits as its factorization.

1191148071163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 1191148071163 in words is "one trillion, one hundred ninety-one billion, one hundred forty-eight million, seventy-one thousand, one hundred sixty-three".