1001001000109 has 16 divisors (see below), whose sum is σ = 1092740673024. Its totient is φ = 909384865200.

The previous prime is 1001001000061. The next prime is 1001001000113. The reversal of 1001001000109 is 9010001001001.

It is a cyclic number.

It is not a de Polignac number, because 1001001000109 - 2¹³ = 1001000991917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001001000709) 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, 173090832 + ... + 173096614.

It is an arithmetic number, because the mean of its divisors is an integer number (68296292064).

Almost surely, 2^{1001001000109} is an apocalyptic number.

It is an amenable number.

1001001000109 is a deficient number, since it is larger than the sum of its proper divisors (91739672915).

1001001000109 is a wasteful number, since it uses less digits than its factorization.

1001001000109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 1001001000109 in words is "one trillion, one billion, one million, one hundred nine", and thus it is an aban number.