1001000000109 has 32 divisors (see below), whose sum is σ = 1417804786944. Its totient is φ = 627310379520.

The previous prime is 1001000000093. The next prime is 1001000000177. The reversal of 1001000000109 is 9010000001001.

It is not a de Polignac number, because 1001000000109 - 2⁴ = 1001000000093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001000000094 and 1001000000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001000000179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598974 + ... + 1536479.

It is an arithmetic number, because the mean of its divisors is an integer number (44306399592).

Almost surely, 2^{1001000000109} is an apocalyptic number.

It is an amenable number.

1001000000109 is a deficient number, since it is larger than the sum of its proper divisors (416804786835).

1001000000109 is a wasteful number, since it uses less digits than its factorization.

1001000000109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135637.

The product of its (nonzero) digits is 9, while the sum is 12.

The spelling of 1001000000109 in words is "one trillion, one billion, one hundred nine", and thus it is an aban number.