1111100009999 has 8 divisors (see below), whose sum is σ = 1269909215520. Its totient is φ = 952310962656.

The previous prime is 1111100009977. The next prime is 1111100010011. The reversal of 1111100009999 is 9999000011111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111100009999 - 2⁸ = 1111100009743 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100009959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4921244 + ... + 5142065.

It is an arithmetic number, because the mean of its divisors is an integer number (158738651940).

Almost surely, 2^{1111100009999} is an apocalyptic number.

1111100009999 is a deficient number, since it is larger than the sum of its proper divisors (158809205521).

1111100009999 is a wasteful number, since it uses less digits than its factorization.

1111100009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079089.

The product of its (nonzero) digits is 6561, while the sum is 41.

The spelling of 1111100009999 in words is "one trillion, one hundred eleven billion, one hundred million, nine thousand, nine hundred ninety-nine".