1191148071143 has 2 divisors, whose sum is σ = 1191148071144. Its totient is φ = 1191148071142.

The previous prime is 1191148071131. The next prime is 1191148071163. The reversal of 1191148071143 is 3411708411911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1191148071143 - 2³⁰ = 1190074329319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1191148071143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1191148071163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595574035571 + 595574035572.

It is an arithmetic number, because the mean of its divisors is an integer number (595574035572).

Almost surely, 2^{1191148071143} is an apocalyptic number.

1191148071143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1191148071143 is an equidigital number, since it uses as much as digits as its factorization.

1191148071143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 41.

The spelling of 1191148071143 in words is "one trillion, one hundred ninety-one billion, one hundred forty-eight million, seventy-one thousand, one hundred forty-three".