99980811335 has 32 divisors (see below), whose sum is σ = 129138969600. Its totient is φ = 74070495360.

The previous prime is 99980811283. The next prime is 99980811347. The reversal of 99980811335 is 53311808999.

It is not a de Polignac number, because 99980811335 - 2²⁸ = 99712375879 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3687980 + ... + 3714990.

It is an arithmetic number, because the mean of its divisors is an integer number (4035592800).

Almost surely, 2^99980811335 is an apocalyptic number.

99980811335 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99980811335 is a deficient number, since it is larger than the sum of its proper divisors (29158158265).

99980811335 is a wasteful number, since it uses less digits than its factorization.

With its successor (99980811336) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (27911).

99980811335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27911.

The product of its (nonzero) digits is 2099520, while the sum is 56.

The spelling of 99980811335 in words is "ninety-nine billion, nine hundred eighty million, eight hundred eleven thousand, three hundred thirty-five".