999980000001 has 12 divisors (see below), whose sum is σ = 1444434076800. Its totient is φ = 666644785080.

The previous prime is 999979999987. The next prime is 999980000029. The reversal of 999980000001 is 100000089999.

999980000001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 999980000001 - 2⁷ = 999979999873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (999980000801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74236 + ... + 1416146.

It is an arithmetic number, because the mean of its divisors is an integer number (120369506400).

Almost surely, 2^999980000001 is an apocalyptic number.

It is an amenable number.

999980000001 is a deficient number, since it is larger than the sum of its proper divisors (444454076799).

999980000001 is a wasteful number, since it uses less digits than its factorization.

999980000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424716 (or 1424713 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 999980000001 in words is "nine hundred ninety-nine billion, nine hundred eighty million, one", and thus it is an aban number.