36561383992 has 192 divisors, whose sum is σ = 85504446720. Its totient is φ = 14346533376.

The previous prime is 36561383977. The next prime is 36561384007. The reversal of 36561383992 is 29938316563.

It is an interprime number because it is at equal distance from previous prime (36561383977) and next prime (36561384007).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119092303 + ... + 119092609.

It is an arithmetic number, because the mean of its divisors is an integer number (445335660).

Almost surely, 2^36561383992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36561383992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42752223360).

36561383992 is an abundant number, since it is smaller than the sum of its proper divisors (48943062728).

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

36561383992 is a wasteful number, since it uses less digits than its factorization.

36561383992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 515 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 55.

The spelling of 36561383992 in words is "thirty-six billion, five hundred sixty-one million, three hundred eighty-three thousand, nine hundred ninety-two".