111000000001111 has 8 divisors (see below), whose sum is σ = 119538592373984. Its totient is φ = 102461426318880.

The previous prime is 111000000001103. The next prime is 111000000001151. The reversal of 111000000001111 is 111100000000111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111000000001111 - 2³ = 111000000001103 is a prime.

It is a Duffinian number.

111000000001111 is a modest number, since divided by 1111 gives 111 as remainder.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111000000001094 and 111000000001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000000001151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9183625 + ... + 17502541.

It is an arithmetic number, because the mean of its divisors is an integer number (14942324046748).

Almost surely, 2^{111000000001111} is an apocalyptic number.

111000000001111 is a deficient number, since it is larger than the sum of its proper divisors (8538592372873).

111000000001111 is a wasteful number, since it uses less digits than its factorization.

111000000001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345321.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 111000000001111 its reverse (111100000000111), we get a palindrome (222100000001222).

The spelling of 111000000001111 in words is "one hundred eleven trillion, one thousand, one hundred eleven".