111411111013 has 4 divisors (see below), whose sum is σ = 111517116928. Its totient is φ = 111305105100.

The previous prime is 111411110999. The next prime is 111411111083. The reversal of 111411111013 is 310111114111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111411111013 - 2²⁹ = 110874240101 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 (111411111083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53001381 + ... + 53003482.

It is an arithmetic number, because the mean of its divisors is an integer number (27879279232).

Almost surely, 2^111411111013 is an apocalyptic number.

It is an amenable number.

111411111013 is a deficient number, since it is larger than the sum of its proper divisors (106005915).

111411111013 is a wasteful number, since it uses less digits than its factorization.

111411111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106005914.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 111411111013 its reverse (310111114111), we get a palindrome (421522225124).

The spelling of 111411111013 in words is "one hundred eleven billion, four hundred eleven million, one hundred eleven thousand, thirteen".