111171711159 has 12 divisors (see below), whose sum is σ = 161011878456. Its totient is φ = 73915773552.

The previous prime is 111171711113. The next prime is 111171711199. The reversal of 111171711159 is 951117171111.

It is not a de Polignac number, because 111171711159 - 2²⁴ = 111154933943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111171711199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16554837 + ... + 16561550.

It is an arithmetic number, because the mean of its divisors is an integer number (13417656538).

Almost surely, 2^111171711159 is an apocalyptic number.

111171711159 is a deficient number, since it is larger than the sum of its proper divisors (49840167297).

111171711159 is a wasteful number, since it uses less digits than its factorization.

111171711159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33116766 (or 33116763 counting only the distinct ones).

The product of its digits is 2205, while the sum is 36.

The spelling of 111171711159 in words is "one hundred eleven billion, one hundred seventy-one million, seven hundred eleven thousand, one hundred fifty-nine".