36561573616159 has 2 divisors, whose sum is σ = 36561573616160. Its totient is φ = 36561573616158.

The previous prime is 36561573616091. The next prime is 36561573616283. The reversal of 36561573616159 is 95161637516563.

It is a weak prime.

It is an emirp because it is prime and its reverse (95161637516563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36561573616159 - 2⁹ = 36561573615647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36561573616159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36561573616459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18280786808079 + 18280786808080.

It is an arithmetic number, because the mean of its divisors is an integer number (18280786808080).

Almost surely, 2^{36561573616159} is an apocalyptic number.

36561573616159 is a deficient number, since it is larger than the sum of its proper divisors (1).

36561573616159 is an equidigital number, since it uses as much as digits as its factorization.

36561573616159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854000, while the sum is 64.

The spelling of 36561573616159 in words is "thirty-six trillion, five hundred sixty-one billion, five hundred seventy-three million, six hundred sixteen thousand, one hundred fifty-nine".