17999001112 has 32 divisors (see below), whose sum is σ = 36106729200. Its totient is φ = 8386070400.

The previous prime is 17999001101. The next prime is 17999001121. The reversal of 17999001112 is 21110099971.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961339 + ... + 979882.

Almost surely, 2^17999001112 is an apocalyptic number.

It is an amenable number.

17999001112 is an abundant number, since it is smaller than the sum of its proper divisors (18107728088).

17999001112 is a wasteful number, since it uses less digits than its factorization.

17999001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941307 (or 1941303 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 40.

The spelling of 17999001112 in words is "seventeen billion, nine hundred ninety-nine million, one thousand, one hundred twelve".