1112009999 has 2 divisors, whose sum is σ = 1112010000. Its totient is φ = 1112009998.

The previous prime is 1112009981. The next prime is 1112010007. The reversal of 1112009999 is 9999002111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112009999 - 2²⁴ = 1095232783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112009929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556004999 + 556005000.

It is an arithmetic number, because the mean of its divisors is an integer number (556005000).

Almost surely, 2^1112009999 is an apocalyptic number.

1112009999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112009999 is an equidigital number, since it uses as much as digits as its factorization.

1112009999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 41.

The square root of 1112009999 is about 33346.8139257711. The cubic root of 1112009999 is about 1036.0233987326.

The spelling of 1112009999 in words is "one billion, one hundred twelve million, nine thousand, nine hundred ninety-nine".