36561233456808 has 32 divisors (see below), whose sum is σ = 91428955092000. Its totient is φ = 12183628292288.

The previous prime is 36561233456801. The next prime is 36561233456837. The reversal of 36561233456808 is 80865433216563.

It is a super-3 number, since 3×36561233456808³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (36561233456801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215508858 + ... + 215678441.

It is an arithmetic number, because the mean of its divisors is an integer number (2857154846625).

Almost surely, 2^{36561233456808} is an apocalyptic number.

It is an amenable number.

36561233456808 is an abundant number, since it is smaller than the sum of its proper divisors (54867721635192).

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

36561233456808 is a wasteful number, since it uses less digits than its factorization.

36561233456808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431190841 (or 431190837 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 60.

The spelling of 36561233456808 in words is "thirty-six trillion, five hundred sixty-one billion, two hundred thirty-three million, four hundred fifty-six thousand, eight hundred eight".