111111449347 has 16 divisors (see below), whose sum is σ = 113566852224. Its totient is φ = 108682200000.

The previous prime is 111111449341. The next prime is 111111449357. The reversal of 111111449347 is 743944111111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111111449347 - 2¹¹ = 111111447299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111111449341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5556447 + ... + 5576407.

It is an arithmetic number, because the mean of its divisors is an integer number (7097928264).

Almost surely, 2^111111449347 is an apocalyptic number.

111111449347 is a deficient number, since it is larger than the sum of its proper divisors (2455402877).

111111449347 is a wasteful number, since it uses less digits than its factorization.

111111449347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20610.

The product of its digits is 12096, while the sum is 37.

The spelling of 111111449347 in words is "one hundred eleven billion, one hundred eleven million, four hundred forty-nine thousand, three hundred forty-seven".