86159813501 has 2 divisors, whose sum is σ = 86159813502. Its totient is φ = 86159813500.

The previous prime is 86159813471. The next prime is 86159813563. The reversal of 86159813501 is 10531895168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49696001476 + 36463812025 = 222926^2 + 190955^2 .

It is a cyclic number.

It is not a de Polignac number, because 86159813501 - 2¹⁴ = 86159797117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86159815501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43079906750 + 43079906751.

It is an arithmetic number, because the mean of its divisors is an integer number (43079906751).

Almost surely, 2^86159813501 is an apocalyptic number.

It is an amenable number.

86159813501 is a deficient number, since it is larger than the sum of its proper divisors (1).

86159813501 is an equidigital number, since it uses as much as digits as its factorization.

86159813501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 47.

The spelling of 86159813501 in words is "eighty-six billion, one hundred fifty-nine million, eight hundred thirteen thousand, five hundred one".