111873583447 has 2 divisors, whose sum is σ = 111873583448. Its totient is φ = 111873583446.

The previous prime is 111873583387. The next prime is 111873583499. The reversal of 111873583447 is 744385378111.

It is an a-pointer prime, because the next prime (111873583499) can be obtained adding 111873583447 to its sum of digits (52).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111873583447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111873583394 and 111873583403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111873583747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55936791723 + 55936791724.

It is an arithmetic number, because the mean of its divisors is an integer number (55936791724).

Almost surely, 2^111873583447 is an apocalyptic number.

111873583447 is a deficient number, since it is larger than the sum of its proper divisors (1).

111873583447 is an equidigital number, since it uses as much as digits as its factorization.

111873583447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 52.

The spelling of 111873583447 in words is "one hundred eleven billion, eight hundred seventy-three million, five hundred eighty-three thousand, four hundred forty-seven".