36561110533 has 2 divisors, whose sum is σ = 36561110534. Its totient is φ = 36561110532.

The previous prime is 36561110513. The next prime is 36561110561. The reversal of 36561110533 is 33501116563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29617721604 + 6943388929 = 172098^2 + 83327^2 .

It is an emirp because it is prime and its reverse (33501116563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36561110533 - 2¹⁷ = 36560979461 is a prime.

It is a super-3 number, since 3×36561110533³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36561110513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18280555266 + 18280555267.

It is an arithmetic number, because the mean of its divisors is an integer number (18280555267).

Almost surely, 2^36561110533 is an apocalyptic number.

It is an amenable number.

36561110533 is a deficient number, since it is larger than the sum of its proper divisors (1).

36561110533 is an equidigital number, since it uses as much as digits as its factorization.

36561110533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 36561110533 in words is "thirty-six billion, five hundred sixty-one million, one hundred ten thousand, five hundred thirty-three".