99872441552128 has 144 divisors (see below), whose sum is σ = 231091133607936. Its totient is φ = 42190820259840.

The previous prime is 99872441552119. The next prime is 99872441552141. The reversal of 99872441552128 is 82125514427899.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628828375 + ... + 628987177.

It is an arithmetic number, because the mean of its divisors is an integer number (1604799538944).

Almost surely, 2^{99872441552128} 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 99872441552128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115545566803968).

99872441552128 is an abundant number, since it is smaller than the sum of its proper divisors (131218692055808).

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

99872441552128 is a wasteful number, since it uses less digits than its factorization.

99872441552128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163840 (or 163826 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 67.

The spelling of 99872441552128 in words is "ninety-nine trillion, eight hundred seventy-two billion, four hundred forty-one million, five hundred fifty-two thousand, one hundred twenty-eight".