15871587287159 has 2 divisors, whose sum is σ = 15871587287160. Its totient is φ = 15871587287158.

The previous prime is 15871587287131. The next prime is 15871587287161. The reversal of 15871587287159 is 95178278517851.

15871587287159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15871587287159 - 2³² = 15867292319863 is a prime.

Together with 15871587287161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15871587287189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7935793643579 + 7935793643580.

It is an arithmetic number, because the mean of its divisors is an integer number (7935793643580).

Almost surely, 2^{15871587287159} is an apocalyptic number.

15871587287159 is a deficient number, since it is larger than the sum of its proper divisors (1).

15871587287159 is an equidigital number, since it uses as much as digits as its factorization.

15871587287159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136000, while the sum is 74.

The spelling of 15871587287159 in words is "fifteen trillion, eight hundred seventy-one billion, five hundred eighty-seven million, two hundred eighty-seven thousand, one hundred fifty-nine".