111023285917 has 2 divisors, whose sum is σ = 111023285918. Its totient is φ = 111023285916.

The previous prime is 111023285911. The next prime is 111023285929. The reversal of 111023285917 is 719582320111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79881977956 + 31141307961 = 282634^2 + 176469^2 .

It is a cyclic number.

It is not a de Polignac number, because 111023285917 - 2³ = 111023285909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111023285917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111023285911) 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, 55511642958 + 55511642959.

It is an arithmetic number, because the mean of its divisors is an integer number (55511642959).

Almost surely, 2^111023285917 is an apocalyptic number.

It is an amenable number.

111023285917 is a deficient number, since it is larger than the sum of its proper divisors (1).

111023285917 is an equidigital number, since it uses as much as digits as its factorization.

111023285917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 111023285917 in words is "one hundred eleven billion, twenty-three million, two hundred eighty-five thousand, nine hundred seventeen".