1163456143 has 2 divisors, whose sum is σ = 1163456144. Its totient is φ = 1163456142.

The previous prime is 1163456141. The next prime is 1163456167. The reversal of 1163456143 is 3416543611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1163456143 - 2¹ = 1163456141 is a prime.

Together with 1163456141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1163456099 and 1163456108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163456141) 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, 581728071 + 581728072.

It is an arithmetic number, because the mean of its divisors is an integer number (581728072).

Almost surely, 2^1163456143 is an apocalyptic number.

1163456143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163456143 is an equidigital number, since it uses as much as digits as its factorization.

1163456143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 1163456143 is about 34109.4729217559. The cubic root of 1163456143 is about 1051.7600542724.

Adding to 1163456143 its reverse (3416543611), we get a palindrome (4579999754).

The spelling of 1163456143 in words is "one billion, one hundred sixty-three million, four hundred fifty-six thousand, one hundred forty-three".