99139048008 has 512 divisors, whose sum is σ = 358506086400. Its totient is φ = 21990528000.

The previous prime is 99139047991. The next prime is 99139048123. The reversal of 99139048008 is 80084093199.

It is a happy number.

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, 19625083 + ... + 19630133.

It is an arithmetic number, because the mean of its divisors is an integer number (700207200).

Almost surely, 2^99139048008 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 99139048008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179253043200).

99139048008 is an abundant number, since it is smaller than the sum of its proper divisors (259367038392).

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

99139048008 is a wasteful number, since it uses less digits than its factorization.

99139048008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153 (or 5149 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 99139048008 in words is "ninety-nine billion, one hundred thirty-nine million, forty-eight thousand, eight".