111663543325 has 12 divisors (see below), whose sum is σ = 146607664500. Its totient is φ = 84076079360.

The previous prime is 111663543301. The next prime is 111663543353. The reversal of 111663543325 is 523345366111.

It can be written as a sum of positive squares in 6 ways, for example, as 197037369 + 111466505956 = 14037^2 + 333866^2 .

It is not a de Polignac number, because 111663543325 - 2¹³ = 111663535133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131368450 + ... + 131369299.

It is an arithmetic number, because the mean of its divisors is an integer number (12217305375).

Almost surely, 2^111663543325 is an apocalyptic number.

It is an amenable number.

111663543325 is a deficient number, since it is larger than the sum of its proper divisors (34944121175).

111663543325 is a wasteful number, since it uses less digits than its factorization.

111663543325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262737776 (or 262737771 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The spelling of 111663543325 in words is "one hundred eleven billion, six hundred sixty-three million, five hundred forty-three thousand, three hundred twenty-five".