111205424593 has 2 divisors, whose sum is σ = 111205424594. Its totient is φ = 111205424592.

The previous prime is 111205424581. The next prime is 111205424599. The reversal of 111205424593 is 395424502111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108150872769 + 3054551824 = 328863^2 + 55268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111205424593 is a prime.

It is not a weakly prime, because it can be changed into another prime (111205424599) 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, 55602712296 + 55602712297.

It is an arithmetic number, because the mean of its divisors is an integer number (55602712297).

Almost surely, 2^111205424593 is an apocalyptic number.

It is an amenable number.

111205424593 is a deficient number, since it is larger than the sum of its proper divisors (1).

111205424593 is an equidigital number, since it uses as much as digits as its factorization.

111205424593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 111205424593 in words is "one hundred eleven billion, two hundred five million, four hundred twenty-four thousand, five hundred ninety-three".