99881511936 has 264 divisors, whose sum is σ = 287240804352. Its totient is φ = 30798028800.

The previous prime is 99881511911. The next prime is 99881511953. The reversal of 99881511936 is 63911518899.

99881511936 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 99881511936.

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, 67899681 + ... + 67901151.

Almost surely, 2^99881511936 is an apocalyptic number.

99881511936 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99881511936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143620402176).

99881511936 is an abundant number, since it is smaller than the sum of its proper divisors (187359292416).

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

99881511936 is a wasteful number, since it uses less digits than its factorization.

99881511936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579 (or 1530 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 60.

The spelling of 99881511936 in words is "ninety-nine billion, eight hundred eighty-one million, five hundred eleven thousand, nine hundred thirty-six".