1101110009999 has 16 divisors (see below), whose sum is σ = 1173706934400. Its totient is φ = 1030040989344.

The previous prime is 1101110009977. The next prime is 1101110010017. The reversal of 1101110009999 is 9999000111011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1101110009999 - 2¹⁶ = 1101109944463 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 (1101110009929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257984 + ... + 1506245.

It is an arithmetic number, because the mean of its divisors is an integer number (73356683400).

Almost surely, 2^{1101110009999} is an apocalyptic number.

1101110009999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1101110009999 is a deficient number, since it is larger than the sum of its proper divisors (72596924401).

1101110009999 is a wasteful number, since it uses less digits than its factorization.

1101110009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764662.

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

The spelling of 1101110009999 in words is "one trillion, one hundred one billion, one hundred ten million, nine thousand, nine hundred ninety-nine".