99900099000999 has 192 divisors, whose sum is σ = 170878000550400. Its totient is φ = 55603127808000.

The previous prime is 99900099000967. The next prime is 99900099001019.

99900099000999 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99900099000999 - 2⁵ = 99900099000967 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99900099020999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1899973692 + ... + 1900026270.

It is an arithmetic number, because the mean of its divisors is an integer number (889989586200).

Almost surely, 2^{99900099000999} is an apocalyptic number.

99900099000999 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99900099000999 is a deficient number, since it is larger than the sum of its proper divisors (70977901549401).

99900099000999 is a wasteful number, since it uses less digits than its factorization.

99900099000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52926 (or 52923 counting only the distinct ones).

The product of its (nonzero) digits is 43046721, while the sum is 72.

It can be divided in two parts, 999000 and 99000999, that added together give a palindrome (99999999).

The spelling of 99900099000999 in words is "ninety-nine trillion, nine hundred billion, ninety-nine million, nine hundred ninety-nine", and thus it is an aban number.