36561641126464 has 14 divisors (see below), whose sum is σ = 72552006610454. Its totient is φ = 18280820563200.

The previous prime is 36561641126407. The next prime is 36561641126473. The reversal of 36561641126464 is 46462114616563.

It can be written as a sum of positive squares in only one way, i.e., 36443437185600 + 118203940864 = 6036840^2 + 343808^2 .

It is a super-2 number, since 2×36561641126464² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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, 285637821237 + ... + 285637821364.

It is an arithmetic number, because the mean of its divisors is an integer number (5182286186461).

Almost surely, 2^{36561641126464} is an apocalyptic number.

It is an amenable number.

36561641126464 is a deficient number, since it is larger than the sum of its proper divisors (35990365483990).

36561641126464 is an equidigital number, since it uses as much as digits as its factorization.

36561641126464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571275642613 (or 571275642603 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 55.

The spelling of 36561641126464 in words is "thirty-six trillion, five hundred sixty-one billion, six hundred forty-one million, one hundred twenty-six thousand, four hundred sixty-four".