3636311865912 has 256 divisors, whose sum is σ = 11603450880000. Its totient is φ = 1043524010880.

The previous prime is 3636311865911. The next prime is 3636311865929. The reversal of 3636311865912 is 2195681136363.

3636311865912 is a `hidden beast` number, since 3 + 6 + 3 + 6 + 31 + 18 + 6 + 591 + 2 = 666.

3636311865912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3636311865912² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3636311865911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132664513 + ... + 132691919.

It is an arithmetic number, because the mean of its divisors is an integer number (45325980000).

Almost surely, 2^{3636311865912} 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 3636311865912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5801725440000).

3636311865912 is an abundant number, since it is smaller than the sum of its proper divisors (7967139014088).

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

3636311865912 is a wasteful number, since it uses less digits than its factorization.

3636311865912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30391 (or 30381 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The spelling of 3636311865912 in words is "three trillion, six hundred thirty-six billion, three hundred eleven million, eight hundred sixty-five thousand, nine hundred twelve".