111145719859 has 2 divisors, whose sum is σ = 111145719860. Its totient is φ = 111145719858.

The previous prime is 111145719829. The next prime is 111145719901. The reversal of 111145719859 is 958917541111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111145719859 is a prime.

It is not a weakly prime, because it can be changed into another prime (111145719829) 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 as a sum of consecutive naturals, namely, 55572859929 + 55572859930.

It is an arithmetic number, because the mean of its divisors is an integer number (55572859930).

Almost surely, 2^111145719859 is an apocalyptic number.

111145719859 is a deficient number, since it is larger than the sum of its proper divisors (1).

111145719859 is an equidigital number, since it uses as much as digits as its factorization.

111145719859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 52.

The spelling of 111145719859 in words is "one hundred eleven billion, one hundred forty-five million, seven hundred nineteen thousand, eight hundred fifty-nine".