159715385129 has 2 divisors, whose sum is σ = 159715385130. Its totient is φ = 159715385128.

The previous prime is 159715385111. The next prime is 159715385143. The reversal of 159715385129 is 921583517951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96937577104 + 62777808025 = 311348^2 + 250555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159715385129 is a prime.

It is not a weakly prime, because it can be changed into another prime (159715385029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79857692564 + 79857692565.

It is an arithmetic number, because the mean of its divisors is an integer number (79857692565).

Almost surely, 2^159715385129 is an apocalyptic number.

It is an amenable number.

159715385129 is a deficient number, since it is larger than the sum of its proper divisors (1).

159715385129 is an equidigital number, since it uses as much as digits as its factorization.

159715385129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402000, while the sum is 56.

The spelling of 159715385129 in words is "one hundred fifty-nine billion, seven hundred fifteen million, three hundred eighty-five thousand, one hundred twenty-nine".