111103444197 has 24 divisors (see below), whose sum is σ = 162759329304. Its totient is φ = 73019211264.

The previous prime is 111103444183. The next prime is 111103444217. The reversal of 111103444197 is 791444301111.

It is a happy number.

111103444197 is a `hidden beast` number, since 1 + 11 + 10 + 3 + 444 + 197 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15320003076 + 95783441121 = 123774^2 + 309489^2 .

It is not a de Polignac number, because 111103444197 - 2¹⁰ = 111103443173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103444117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1364443 + ... + 1443575.

It is an arithmetic number, because the mean of its divisors is an integer number (6781638721).

Almost surely, 2^111103444197 is an apocalyptic number.

It is an amenable number.

111103444197 is a deficient number, since it is larger than the sum of its proper divisors (51655885107).

111103444197 is a wasteful number, since it uses less digits than its factorization.

111103444197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81349 (or 81346 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 111103444197 in words is "one hundred eleven billion, one hundred three million, four hundred forty-four thousand, one hundred ninety-seven".