9904591317712 has 120 divisors (see below), whose sum is σ = 24042036544512. Its totient is φ = 3918033504000.

The previous prime is 9904591317703. The next prime is 9904591317773. The reversal of 9904591317712 is 2177131954099.

It is a super-3 number, since 3×9904591317712³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225333337 + ... + 225377287.

Almost surely, 2^{9904591317712} 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 9904591317712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12021018272256).

9904591317712 is an abundant number, since it is smaller than the sum of its proper divisors (14137445226800).

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

9904591317712 is a wasteful number, since it uses less digits than its factorization.

9904591317712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66097 (or 66084 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 58.

The spelling of 9904591317712 in words is "nine trillion, nine hundred four billion, five hundred ninety-one million, three hundred seventeen thousand, seven hundred twelve".