99009000090099 has 16 divisors (see below), whose sum is σ = 160014545600640. Its totient is φ = 60005454599880.

The previous prime is 99009000090037. The next prime is 99009000090101.

99009000090099 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99009000090099 - 2²⁵ = 99008966535667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99009000090599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166681818037 + ... + 166681818630.

It is an arithmetic number, because the mean of its divisors is an integer number (10000909100040).

Almost surely, 2^{99009000090099} is an apocalyptic number.

99009000090099 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99009000090099 is a deficient number, since it is larger than the sum of its proper divisors (61005545510541).

99009000090099 is a wasteful number, since it uses less digits than its factorization.

99009000090099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333363636687 (or 333363636681 counting only the distinct ones).

The product of its (nonzero) digits is 531441, while the sum is 54.

The spelling of 99009000090099 in words is "ninety-nine trillion, nine billion, ninety thousand, ninety-nine".