99599099599 has 16 divisors (see below), whose sum is σ = 101469041856. Its totient is φ = 97748640000.

The previous prime is 99599099591. The next prime is 99599099669.

99599099599 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 99599099599 - 2³ = 99599099591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99599099591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10054549 + ... + 10064449.

It is an arithmetic number, because the mean of its divisors is an integer number (6341815116).

Almost surely, 2^99599099599 is an apocalyptic number.

99599099599 is a deficient number, since it is larger than the sum of its proper divisors (1869942257).

99599099599 is a wasteful number, since it uses less digits than its factorization.

99599099599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10866.

The product of its (nonzero) digits is 1076168025, while the sum is 82.

The spelling of 99599099599 in words is "ninety-nine billion, five hundred ninety-nine million, ninety-nine thousand, five hundred ninety-nine".