111444620413203 has 96 divisors (see below), whose sum is σ = 223686842595840. Its totient is φ = 51620040391680.

The previous prime is 111444620413187. The next prime is 111444620413229. The reversal of 111444620413203 is 302314026444111.

It is a happy number.

111444620413203 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 4 + 4 + 620 + 4 + 1 + 3 + 20 + 3 = 666.

It is not a de Polignac number, because 111444620413203 - 2⁴ = 111444620413187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111444620413303) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 248715400 + ... + 249163077.

It is an arithmetic number, because the mean of its divisors is an integer number (2330071277040).

Almost surely, 2^{111444620413203} is an apocalyptic number.

111444620413203 is an abundant number, since it is smaller than the sum of its proper divisors (112242222182637).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111444620413203 is a wasteful number, since it uses less digits than its factorization.

111444620413203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497878537 (or 497878534 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 111444620413203 its reverse (302314026444111), we get a palindrome (413758646857314).

The spelling of 111444620413203 in words is "one hundred eleven trillion, four hundred forty-four billion, six hundred twenty million, four hundred thirteen thousand, two hundred three".