1111012009 has 8 divisors (see below), whose sum is σ = 1129788000. Its totient is φ = 1092376032.

The previous prime is 1111012003. The next prime is 1111012013. The reversal of 1111012009 is 9002101111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111012009 - 2²⁹ = 574141097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111011983 and 1111012001.

It is not an unprimeable number, because it can be changed into a prime (1111012003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18939 + ... + 50800.

It is an arithmetic number, because the mean of its divisors is an integer number (141223500).

Almost surely, 2^1111012009 is an apocalyptic number.

It is an amenable number.

1111012009 is a deficient number, since it is larger than the sum of its proper divisors (18775991).

1111012009 is an equidigital number, since it uses as much as digits as its factorization.

1111012009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70007.

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 1111012009 is about 33331.8467685185. The cubic root of 1111012009 is about 1035.7133744056.

The spelling of 1111012009 in words is "one billion, one hundred eleven million, twelve thousand, nine".