11111001110111 has 4 divisors (see below), whose sum is σ = 12698286982992. Its totient is φ = 9523715237232.

The previous prime is 11111001110089. The next prime is 11111001110113. The reversal of 11111001110111 is 11101110011111.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-11111001110111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111001110092 and 11111001110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111001110113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793642936430 + ... + 793642936443.

It is an arithmetic number, because the mean of its divisors is an integer number (3174571745748).

Almost surely, 2^{11111001110111} is an apocalyptic number.

11111001110111 is a deficient number, since it is larger than the sum of its proper divisors (1587285872881).

11111001110111 is an equidigital number, since it uses as much as digits as its factorization.

11111001110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587285872880.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 11111001110111 its reverse (11101110011111), we get a palindrome (22212111121222).

The spelling of 11111001110111 in words is "eleven trillion, one hundred eleven billion, one million, one hundred ten thousand, one hundred eleven".