11110111109999 has 32 divisors (see below), whose sum is σ = 13142668234752. Its totient is φ = 9279296320000.

The previous prime is 11110111109987. The next prime is 11110111110031. The reversal of 11110111109999 is 99990111101111.

It is a de Polignac number, because none of the positive numbers 2^k-11110111109999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110111103999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2801567 + ... + 5483520.

It is an arithmetic number, because the mean of its divisors is an integer number (410708382336).

Almost surely, 2^{11110111109999} is an apocalyptic number.

11110111109999 is a deficient number, since it is larger than the sum of its proper divisors (2032557124753).

11110111109999 is a wasteful number, since it uses less digits than its factorization.

11110111109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285287.

The product of its (nonzero) digits is 6561, while the sum is 44.

The spelling of 11110111109999 in words is "eleven trillion, one hundred ten billion, one hundred eleven million, one hundred nine thousand, nine hundred ninety-nine".