159719985241 has 2 divisors, whose sum is σ = 159719985242. Its totient is φ = 159719985240.

The previous prime is 159719985211. The next prime is 159719985251. The reversal of 159719985241 is 142589917951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118752606025 + 40967379216 = 344605^2 + 202404^2 .

It is a cyclic number.

It is not a de Polignac number, because 159719985241 - 2¹³ = 159719977049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159719985241.

It is not a weakly prime, because it can be changed into another prime (159719985211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79859992620 + 79859992621.

It is an arithmetic number, because the mean of its divisors is an integer number (79859992621).

Almost surely, 2^159719985241 is an apocalyptic number.

It is an amenable number.

159719985241 is a deficient number, since it is larger than the sum of its proper divisors (1).

159719985241 is an equidigital number, since it uses as much as digits as its factorization.

159719985241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 61.

The spelling of 159719985241 in words is "one hundred fifty-nine billion, seven hundred nineteen million, nine hundred eighty-five thousand, two hundred forty-one".