159872787278951 has 4 divisors (see below), whose sum is σ = 160330875495000. Its totient is φ = 159414699062904.

The previous prime is 159872787278947. The next prime is 159872787278993.

159872787278951 is nontrivially palindromic in base 10.

159872787278951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 159872787278951 - 2² = 159872787278947 is a prime.

It is a super-2 number, since 2×159872787278951² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159872787278851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229044107501 + ... + 229044108198.

It is an arithmetic number, because the mean of its divisors is an integer number (40082718873750).

Almost surely, 2^{159872787278951} is an apocalyptic number.

159872787278951 is a deficient number, since it is larger than the sum of its proper divisors (458088216049).

159872787278951 is an equidigital number, since it uses as much as digits as its factorization.

159872787278951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458088216048.

The product of its digits is 9957427200, while the sum is 86.

The spelling of 159872787278951 in words is "one hundred fifty-nine trillion, eight hundred seventy-two billion, seven hundred eighty-seven million, two hundred seventy-eight thousand, nine hundred fifty-one".