111765386041 has 16 divisors (see below), whose sum is σ = 128863699200. Its totient is φ = 96218212608.

The previous prime is 111765386017. The next prime is 111765386059. The reversal of 111765386041 is 140683567111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111765386041 - 2²⁵ = 111731831609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111765386011) 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 in 15 ways as a sum of consecutive naturals, for example, 5956545 + ... + 5975278.

It is an arithmetic number, because the mean of its divisors is an integer number (8053981200).

Almost surely, 2^111765386041 is an apocalyptic number.

It is an amenable number.

111765386041 is a deficient number, since it is larger than the sum of its proper divisors (17098313159).

111765386041 is a wasteful number, since it uses less digits than its factorization.

111765386041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931888.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 111765386041 in words is "one hundred eleven billion, seven hundred sixty-five million, three hundred eighty-six thousand, forty-one".