159539531713 has 2 divisors, whose sum is σ = 159539531714. Its totient is φ = 159539531712.

The previous prime is 159539531663. The next prime is 159539531857. The reversal of 159539531713 is 317135935951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137869630864 + 21669900849 = 371308^2 + 147207^2 .

It is an emirp because it is prime and its reverse (317135935951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159539531713 - 2⁹ = 159539531201 is a prime.

It is not a weakly prime, because it can be changed into another prime (159539501713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79769765856 + 79769765857.

It is an arithmetic number, because the mean of its divisors is an integer number (79769765857).

Almost surely, 2^159539531713 is an apocalyptic number.

It is an amenable number.

159539531713 is a deficient number, since it is larger than the sum of its proper divisors (1).

159539531713 is an equidigital number, since it uses as much as digits as its factorization.

159539531713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1913625, while the sum is 52.

The spelling of 159539531713 in words is "one hundred fifty-nine billion, five hundred thirty-nine million, five hundred thirty-one thousand, seven hundred thirteen".