159593792881 has 2 divisors, whose sum is σ = 159593792882. Its totient is φ = 159593792880.

The previous prime is 159593792851. The next prime is 159593792927. The reversal of 159593792881 is 188297395951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147671118400 + 11922674481 = 384280^2 + 109191^2 .

It is a cyclic number.

It is not a de Polignac number, because 159593792881 - 2²¹ = 159591695729 is a prime.

It is a super-2 number, since 2×159593792881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159593792821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79796896440 + 79796896441.

It is an arithmetic number, because the mean of its divisors is an integer number (79796896441).

Almost surely, 2^159593792881 is an apocalyptic number.

It is an amenable number.

159593792881 is a deficient number, since it is larger than the sum of its proper divisors (1).

159593792881 is an equidigital number, since it uses as much as digits as its factorization.

159593792881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 67.

The spelling of 159593792881 in words is "one hundred fifty-nine billion, five hundred ninety-three million, seven hundred ninety-two thousand, eight hundred eighty-one".