1110012009 has 16 divisors (see below), whose sum is σ = 1530507264. Its totient is φ = 714848400.

The previous prime is 1110011989. The next prime is 1110012011. The reversal of 1110012009 is 9002100111.

It is a de Polignac number, because none of the positive numbers 2^k-1110012009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1110012089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42652 + ... + 63554.

It is an arithmetic number, because the mean of its divisors is an integer number (95656704).

Almost surely, 2^1110012009 is an apocalyptic number.

It is an amenable number.

1110012009 is a deficient number, since it is larger than the sum of its proper divisors (420495255).

1110012009 is a wasteful number, since it uses less digits than its factorization.

1110012009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21508.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 1110012009 is about 33316.8427225630. The cubic root of 1110012009 is about 1035.4025394002.

The spelling of 1110012009 in words is "one billion, one hundred ten million, twelve thousand, nine".