159988000241 has 2 divisors, whose sum is σ = 159988000242. Its totient is φ = 159988000240.

The previous prime is 159988000213. The next prime is 159988000247. The reversal of 159988000241 is 142000889951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159988000225 + 16 = 399985^2 + 4^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159988000241 is a prime.

It is a super-2 number, since 2×159988000241² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159988000247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79994000120 + 79994000121.

It is an arithmetic number, because the mean of its divisors is an integer number (79994000121).

Almost surely, 2^159988000241 is an apocalyptic number.

It is an amenable number.

159988000241 is a deficient number, since it is larger than the sum of its proper divisors (1).

159988000241 is an equidigital number, since it uses as much as digits as its factorization.

159988000241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 159988000241 in words is "one hundred fifty-nine billion, nine hundred eighty-eight million, two hundred forty-one", and thus it is an aban number.