111110011139873 has 2 divisors, whose sum is σ = 111110011139874. Its totient is φ = 111110011139872.

The previous prime is 111110011139867. The next prime is 111110011139947. The reversal of 111110011139873 is 378931110011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88733818938769 + 22376192201104 = 9419863^2 + 4730348^2 .

It is a cyclic number.

It is not a de Polignac number, because 111110011139873 - 2¹⁰ = 111110011138849 is a prime.

It is a super-3 number, since 3×111110011139873³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (111110011139273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555005569936 + 55555005569937.

It is an arithmetic number, because the mean of its divisors is an integer number (55555005569937).

Almost surely, 2^{111110011139873} is an apocalyptic number.

It is an amenable number.

111110011139873 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110011139873 is an equidigital number, since it uses as much as digits as its factorization.

111110011139873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 38.

The spelling of 111110011139873 in words is "one hundred eleven trillion, one hundred ten billion, eleven million, one hundred thirty-nine thousand, eight hundred seventy-three".