36561140645204 has 48 divisors (see below), whose sum is σ = 73192970672640. Its totient is φ = 15653919828960.

The previous prime is 36561140645201. The next prime is 36561140645219. The reversal of 36561140645204 is 40254604116563.

It is a super-2 number, since 2×36561140645204² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36561140645201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122124059 + ... + 122423069.

It is an arithmetic number, because the mean of its divisors is an integer number (1524853555680).

Almost surely, 2^{36561140645204} is an apocalyptic number.

It is an amenable number.

36561140645204 is an abundant number, since it is smaller than the sum of its proper divisors (36631830027436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36561140645204 is a wasteful number, since it uses less digits than its factorization.

36561140645204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303228 (or 303226 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 36561140645204 in words is "thirty-six trillion, five hundred sixty-one billion, one hundred forty million, six hundred forty-five thousand, two hundred four".