1159517143 has 2 divisors, whose sum is σ = 1159517144. Its totient is φ = 1159517142.

The previous prime is 1159517141. The next prime is 1159517167. The reversal of 1159517143 is 3417159511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1159517143 - 2¹ = 1159517141 is a prime.

Together with 1159517141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1159517141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579758571 + 579758572.

It is an arithmetic number, because the mean of its divisors is an integer number (579758572).

Almost surely, 2^1159517143 is an apocalyptic number.

1159517143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159517143 is an equidigital number, since it uses as much as digits as its factorization.

1159517143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 37.

The square root of 1159517143 is about 34051.6834091943. The cubic root of 1159517143 is about 1050.5717650884.

The spelling of 1159517143 in words is "one billion, one hundred fifty-nine million, five hundred seventeen thousand, one hundred forty-three".