1158317705071 has 4 divisors (see below), whose sum is σ = 1160540964144. Its totient is φ = 1156094446000.

The previous prime is 1158317705059. The next prime is 1158317705087. The reversal of 1158317705071 is 1705077138511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1158317705071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158317705011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111628755 + ... + 1111629796.

It is an arithmetic number, because the mean of its divisors is an integer number (290135241036).

Almost surely, 2^{1158317705071} is an apocalyptic number.

1158317705071 is a deficient number, since it is larger than the sum of its proper divisors (2223259073).

1158317705071 is an equidigital number, since it uses as much as digits as its factorization.

1158317705071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223259072.

The product of its (nonzero) digits is 205800, while the sum is 46.

The spelling of 1158317705071 in words is "one trillion, one hundred fifty-eight billion, three hundred seventeen million, seven hundred five thousand, seventy-one".