100010000000009 has 4 divisors (see below), whose sum is σ = 109101818181840. Its totient is φ = 90918181818180.

The previous prime is 100009999999997. The next prime is 100010000000077. The reversal of 100010000000009 is 900000000010001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100010000000009 - 2⁸ = 100009999999753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11), and also a Moran number because the ratio is a prime number: 9091818181819 = 100010000000009 / (1 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 9).

It is not an unprimeable number, because it can be changed into a prime (100010000002009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545909090899 + ... + 4545909090920.

It is an arithmetic number, because the mean of its divisors is an integer number (27275454545460).

Almost surely, 2^{100010000000009} is an apocalyptic number.

It is an amenable number.

100010000000009 is a deficient number, since it is larger than the sum of its proper divisors (9091818181831).

100010000000009 is an equidigital number, since it uses as much as digits as its factorization.

100010000000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091818181830.

The product of its (nonzero) digits is 9, while the sum is 11.

The spelling of 100010000000009 in words is "one hundred trillion, ten billion, nine", and thus it is an aban number.