15872871585859 has 2 divisors, whose sum is σ = 15872871585860. Its totient is φ = 15872871585858.

The previous prime is 15872871585841. The next prime is 15872871585917. The reversal of 15872871585859 is 95858517827851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15872871585859 - 2³⁵ = 15838511847491 is a prime.

It is not a weakly prime, because it can be changed into another prime (15872871585059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7936435792929 + 7936435792930.

It is an arithmetic number, because the mean of its divisors is an integer number (7936435792930).

Almost surely, 2^{15872871585859} is an apocalyptic number.

15872871585859 is a deficient number, since it is larger than the sum of its proper divisors (1).

15872871585859 is an equidigital number, since it uses as much as digits as its factorization.

15872871585859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920000, while the sum is 79.

The spelling of 15872871585859 in words is "fifteen trillion, eight hundred seventy-two billion, eight hundred seventy-one million, five hundred eighty-five thousand, eight hundred fifty-nine".