159538887959 has 4 divisors (see below), whose sum is σ = 174042423240. Its totient is φ = 145035352680.

The previous prime is 159538887943. The next prime is 159538888009. The reversal of 159538887959 is 959788835951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159538887959 - 2⁴ = 159538887943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159538887959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159538887359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7251767624 + ... + 7251767645.

It is an arithmetic number, because the mean of its divisors is an integer number (43510605810).

Almost surely, 2^159538887959 is an apocalyptic number.

159538887959 is a deficient number, since it is larger than the sum of its proper divisors (14503535281).

159538887959 is a wasteful number, since it uses less digits than its factorization.

159538887959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14503535280.

The product of its digits is 979776000, while the sum is 77.

The spelling of 159538887959 in words is "one hundred fifty-nine billion, five hundred thirty-eight million, eight hundred eighty-seven thousand, nine hundred fifty-nine".