111005853017 has 2 divisors, whose sum is σ = 111005853018. Its totient is φ = 111005853016.

The previous prime is 111005853011. The next prime is 111005853019. The reversal of 111005853017 is 710358500111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96186199321 + 14819653696 = 310139^2 + 121736^2 .

It is a cyclic number.

It is not a de Polignac number, because 111005853017 - 2²⁶ = 110938744153 is a prime.

Together with 111005853019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111005853011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502926508 + 55502926509.

It is an arithmetic number, because the mean of its divisors is an integer number (55502926509).

Almost surely, 2^111005853017 is an apocalyptic number.

It is an amenable number.

111005853017 is a deficient number, since it is larger than the sum of its proper divisors (1).

111005853017 is an equidigital number, since it uses as much as digits as its factorization.

111005853017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 32.

The spelling of 111005853017 in words is "one hundred eleven billion, five million, eight hundred fifty-three thousand, seventeen".