36503520817 has 2 divisors, whose sum is σ = 36503520818. Its totient is φ = 36503520816.

The previous prime is 36503520797. The next prime is 36503520853. The reversal of 36503520817 is 71802530563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36494753296 + 8767521 = 191036^2 + 2961^2 .

It is a cyclic number.

It is not a de Polignac number, because 36503520817 - 2¹⁹ = 36502996529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36503520817.

It is not a weakly prime, because it can be changed into another prime (36503520017) 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, 18251760408 + 18251760409.

It is an arithmetic number, because the mean of its divisors is an integer number (18251760409).

Almost surely, 2^36503520817 is an apocalyptic number.

It is an amenable number.

36503520817 is a deficient number, since it is larger than the sum of its proper divisors (1).

36503520817 is an equidigital number, since it uses as much as digits as its factorization.

36503520817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 36503520817 in words is "thirty-six billion, five hundred three million, five hundred twenty thousand, eight hundred seventeen".