1111000109999 has 16 divisors (see below), whose sum is σ = 1273272473088. Its totient is φ = 960313170432.

The previous prime is 1111000109987. The next prime is 1111000110029. The reversal of 1111000109999 is 9999010001111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111000109999 - 2¹² = 1111000105903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111000109929) 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 15 ways as a sum of consecutive naturals, for example, 12715727 + ... + 12802800.

It is an arithmetic number, because the mean of its divisors is an integer number (79579529568).

Almost surely, 2^{1111000109999} is an apocalyptic number.

1111000109999 is a deficient number, since it is larger than the sum of its proper divisors (162272363089).

1111000109999 is a wasteful number, since it uses less digits than its factorization.

1111000109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25518754.

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

The spelling of 1111000109999 in words is "one trillion, one hundred eleven billion, one hundred nine thousand, nine hundred ninety-nine".