99130307520 has 448 divisors, whose sum is σ = 340112908800. Its totient is φ = 24373493760.

The previous prime is 99130307489. The next prime is 99130307561. The reversal of 99130307520 is 2570303199.

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, 201894475 + ... + 201894965.

It is an arithmetic number, because the mean of its divisors is an integer number (759180600).

Almost surely, 2^99130307520 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 99130307520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170056454400).

99130307520 is an abundant number, since it is smaller than the sum of its proper divisors (240982601280).

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

99130307520 is a wasteful number, since it uses less digits than its factorization.

99130307520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 39.

The spelling of 99130307520 in words is "ninety-nine billion, one hundred thirty million, three hundred seven thousand, five hundred twenty".