99508115520 has 896 divisors, whose sum is σ = 409636569600. Its totient is φ = 22659563520.

The previous prime is 99508115507. The next prime is 99508115543. The reversal of 99508115520 is 2551180599.

99508115520 is a `hidden beast` number, since 9 + 9 + 5 + 0 + 8 + 115 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 195497026 + ... + 195497534.

Almost surely, 2^99508115520 is an apocalyptic number.

99508115520 is a gapful number since it is divisible by the number (90) 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 99508115520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204818284800).

99508115520 is an abundant number, since it is smaller than the sum of its proper divisors (310128454080).

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

99508115520 is a wasteful number, since it uses less digits than its factorization.

99508115520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The spelling of 99508115520 in words is "ninety-nine billion, five hundred eight million, one hundred fifteen thousand, five hundred twenty".