1000109280205 has 32 divisors (see below), whose sum is σ = 1376493110784. Its totient is φ = 683333750016.

The previous prime is 1000109280151. The next prime is 1000109280263. The reversal of 1000109280205 is 5020829010001.

It is a cyclic number.

It is not a de Polignac number, because 1000109280205 - 2¹³ = 1000109272013 is a prime.

It is a Duffinian 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, 27752779 + ... + 27788791.

It is an arithmetic number, because the mean of its divisors is an integer number (43015409712).

Almost surely, 2^{1000109280205} is an apocalyptic number.

It is an amenable number.

1000109280205 is a deficient number, since it is larger than the sum of its proper divisors (376383830579).

1000109280205 is a wasteful number, since it uses less digits than its factorization.

1000109280205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38845.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 1000109280205 in words is "one trillion, one hundred nine million, two hundred eighty thousand, two hundred five".