99886981115712 has 448 divisors, whose sum is σ = 318264129536000. Its totient is φ = 27608206510080.

The previous prime is 99886981115689. The next prime is 99886981115737. The reversal of 99886981115712 is 21751118968899.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6653358318 + ... + 6653373330.

Almost surely, 2^{99886981115712} 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 99886981115712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159132064768000).

99886981115712 is an abundant number, since it is smaller than the sum of its proper divisors (218377148420288).

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

99886981115712 is a wasteful number, since it uses less digits than its factorization.

99886981115712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18339 (or 18315 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 75.

The spelling of 99886981115712 in words is "ninety-nine trillion, eight hundred eighty-six billion, nine hundred eighty-one million, one hundred fifteen thousand, seven hundred twelve".