99519017472 has 320 divisors, whose sum is σ = 342392371200. Its totient is φ = 27950469120.

The previous prime is 99519017461. The next prime is 99519017473. The reversal of 99519017472 is 27471091599.

99519017472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (99519017473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5700597 + ... + 5718027.

It is an arithmetic number, because the mean of its divisors is an integer number (1069976160).

Almost surely, 2^99519017472 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 99519017472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171196185600).

99519017472 is an abundant number, since it is smaller than the sum of its proper divisors (242873353728).

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

99519017472 is a wasteful number, since it uses less digits than its factorization.

99519017472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17524 (or 17502 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 99519017472 in words is "ninety-nine billion, five hundred nineteen million, seventeen thousand, four hundred seventy-two".