111111113347 has 8 divisors (see below), whose sum is σ = 119668717616. Its totient is φ = 102555022752.

The previous prime is 111111113341. The next prime is 111111113359. The reversal of 111111113347 is 743311111111.

It is a happy number.

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

It is not a de Polignac number, because 111111113347 - 2⁷ = 111111113219 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111111113341) 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, 223608 + ... + 521749.

It is an arithmetic number, because the mean of its divisors is an integer number (14958589702).

Almost surely, 2^111111113347 is an apocalyptic number.

111111113347 is a deficient number, since it is larger than the sum of its proper divisors (8557604269).

111111113347 is a wasteful number, since it uses less digits than its factorization.

111111113347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756837.

The product of its digits is 252, while the sum is 25.

Adding to 111111113347 its reverse (743311111111), we get a palindrome (854422224458).

The spelling of 111111113347 in words is "one hundred eleven billion, one hundred eleven million, one hundred thirteen thousand, three hundred forty-seven".