1001016111009 has 4 divisors (see below), whose sum is σ = 1334688148016. Its totient is φ = 667344074004.

The previous prime is 1001016111001. The next prime is 1001016111013. The reversal of 1001016111009 is 9001116101001.

1001016111009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 1001016111009 - 2³ = 1001016111001 is a prime.

It is a super-2 number, since 2×1001016111009² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001016111001) 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, 166836018499 + ... + 166836018504.

It is an arithmetic number, because the mean of its divisors is an integer number (333672037004).

Almost surely, 2^{1001016111009} is an apocalyptic number.

It is an amenable number.

1001016111009 is a deficient number, since it is larger than the sum of its proper divisors (333672037007).

1001016111009 is an equidigital number, since it uses as much as digits as its factorization.

1001016111009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333672037006.

The product of its (nonzero) digits is 54, while the sum is 21.

The spelling of 1001016111009 in words is "one trillion, one billion, sixteen million, one hundred eleven thousand, nine".