36561044120543 has 2 divisors, whose sum is σ = 36561044120544. Its totient is φ = 36561044120542.

The previous prime is 36561044120537. The next prime is 36561044120561. The reversal of 36561044120543 is 34502144016563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36561044120543 - 2⁶ = 36561044120479 is a prime.

It is a super-2 number, since 2×36561044120543² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36561044120494 and 36561044120503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36561044120563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18280522060271 + 18280522060272.

It is an arithmetic number, because the mean of its divisors is an integer number (18280522060272).

Almost surely, 2^{36561044120543} is an apocalyptic number.

36561044120543 is a deficient number, since it is larger than the sum of its proper divisors (1).

36561044120543 is an equidigital number, since it uses as much as digits as its factorization.

36561044120543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 36561044120543 in words is "thirty-six trillion, five hundred sixty-one billion, forty-four million, one hundred twenty thousand, five hundred forty-three".