15872871580873 has 2 divisors, whose sum is σ = 15872871580874. Its totient is φ = 15872871580872.

The previous prime is 15872871580799. The next prime is 15872871580963. The reversal of 15872871580873 is 37808517827851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15871514984649 + 1356596224 = 3983907^2 + 36832^2 .

It is a cyclic number.

It is not a de Polignac number, because 15872871580873 - 2⁹ = 15872871580361 is a prime.

It is not a weakly prime, because it can be changed into another prime (15872871580673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7936435790436 + 7936435790437.

It is an arithmetic number, because the mean of its divisors is an integer number (7936435790437).

Almost surely, 2^{15872871580873} is an apocalyptic number.

It is an amenable number.

15872871580873 is a deficient number, since it is larger than the sum of its proper divisors (1).

15872871580873 is an equidigital number, since it uses as much as digits as its factorization.

15872871580873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210739200, while the sum is 70.

The spelling of 15872871580873 in words is "fifteen trillion, eight hundred seventy-two billion, eight hundred seventy-one million, five hundred eighty thousand, eight hundred seventy-three".