36561053553539 has 2 divisors, whose sum is σ = 36561053553540. Its totient is φ = 36561053553538.

The previous prime is 36561053553511. The next prime is 36561053553589. The reversal of 36561053553539 is 93535535016563.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36561053553539 is a prime.

It is not a weakly prime, because it can be changed into another prime (36561053553509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18280526776769 + 18280526776770.

It is an arithmetic number, because the mean of its divisors is an integer number (18280526776770).

Almost surely, 2^{36561053553539} is an apocalyptic number.

36561053553539 is a deficient number, since it is larger than the sum of its proper divisors (1).

36561053553539 is an equidigital number, since it uses as much as digits as its factorization.

36561053553539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82012500, while the sum is 59.

The spelling of 36561053553539 in words is "thirty-six trillion, five hundred sixty-one billion, fifty-three million, five hundred fifty-three thousand, five hundred thirty-nine".