999951112 has 16 divisors (see below), whose sum is σ = 1875532860. Its totient is φ = 499809024.

The previous prime is 999951109. The next prime is 999951131. The reversal of 999951112 is 211159999.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 969325956 + 30625156 = 31134^2 + 5534^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6868 + ... + 45244.

Almost surely, 2^999951112 is an apocalyptic number.

It is an amenable number.

999951112 is a deficient number, since it is larger than the sum of its proper divisors (875581748).

999951112 is a wasteful number, since it uses less digits than its factorization.

999951112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41640 (or 41636 counting only the distinct ones).

The product of its digits is 65610, while the sum is 46.

The square root of 999951112 is about 31622.0036050849. The cubic root of 999951112 is about 999.9837037344.

The spelling of 999951112 in words is "nine hundred ninety-nine million, nine hundred fifty-one thousand, one hundred twelve".