15710873980987 has 2 divisors, whose sum is σ = 15710873980988. Its totient is φ = 15710873980986.

The previous prime is 15710873980979. The next prime is 15710873980993. The reversal of 15710873980987 is 78908937801751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15710873980987 - 2³ = 15710873980979 is a prime.

It is a super-2 number, since 2×15710873980987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15710873980687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7855436990493 + 7855436990494.

It is an arithmetic number, because the mean of its divisors is an integer number (7855436990494).

Almost surely, 2^{15710873980987} is an apocalyptic number.

15710873980987 is a deficient number, since it is larger than the sum of its proper divisors (1).

15710873980987 is an equidigital number, since it uses as much as digits as its factorization.

15710873980987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 213373440, while the sum is 73.

The spelling of 15710873980987 in words is "fifteen trillion, seven hundred ten billion, eight hundred seventy-three million, nine hundred eighty thousand, nine hundred eighty-seven".