159911212313 has 2 divisors, whose sum is σ = 159911212314. Its totient is φ = 159911212312.

The previous prime is 159911212297. The next prime is 159911212367. The reversal of 159911212313 is 313212119951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159594657049 + 316555264 = 399493^2 + 17792^2 .

It is an emirp because it is prime and its reverse (313212119951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159911212313 - 2⁴ = 159911212297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (159911212613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79955606156 + 79955606157.

It is an arithmetic number, because the mean of its divisors is an integer number (79955606157).

Almost surely, 2^159911212313 is an apocalyptic number.

It is an amenable number.

159911212313 is a deficient number, since it is larger than the sum of its proper divisors (1).

159911212313 is an equidigital number, since it uses as much as digits as its factorization.

159911212313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 38.

The spelling of 159911212313 in words is "one hundred fifty-nine billion, nine hundred eleven million, two hundred twelve thousand, three hundred thirteen".