1000011009999 has 16 divisors (see below), whose sum is σ = 1437756526080. Its totient is φ = 616181365440.

The previous prime is 1000011009997. The next prime is 1000011010039. The reversal of 1000011009999 is 9999001100001.

It is not a de Polignac number, because 1000011009999 - 2¹ = 1000011009997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000011009997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213949527 + ... + 213954200.

It is an arithmetic number, because the mean of its divisors is an integer number (89859782880).

Almost surely, 2^{1000011009999} is an apocalyptic number.

1000011009999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1000011009999 is a deficient number, since it is larger than the sum of its proper divisors (437745516081).

1000011009999 is a wasteful number, since it uses less digits than its factorization.

1000011009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427903790.

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 1000011009999 in words is "one trillion, eleven million, nine thousand, nine hundred ninety-nine".