11011100001999 has 16 divisors (see below), whose sum is σ = 14864175060960. Its totient is φ = 7249745289600.

The previous prime is 11011100001997. The next prime is 11011100002031. The reversal of 11011100001999 is 99910000111011.

It is not a de Polignac number, because 11011100001999 - 2¹ = 11011100001997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011100001997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45648304 + ... + 45888885.

It is an arithmetic number, because the mean of its divisors is an integer number (929010941310).

Almost surely, 2^{11011100001999} is an apocalyptic number.

11011100001999 is a deficient number, since it is larger than the sum of its proper divisors (3853075058961).

11011100001999 is a wasteful number, since it uses less digits than its factorization.

11011100001999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91537690.

The product of its (nonzero) digits is 729, while the sum is 33.

The spelling of 11011100001999 in words is "eleven trillion, eleven billion, one hundred million, one thousand, nine hundred ninety-nine".