111006105641 has 4 divisors (see below), whose sum is σ = 111015817872. Its totient is φ = 110996393412.

The previous prime is 111006105611. The next prime is 111006105673. The reversal of 111006105641 is 146501600111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111006105641 - 2¹⁸ = 111005843497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111006105641.

It is not an unprimeable number, because it can be changed into a prime (111006105611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4838951 + ... + 4861836.

It is an arithmetic number, because the mean of its divisors is an integer number (27753954468).

Almost surely, 2^111006105641 is an apocalyptic number.

It is an amenable number.

111006105641 is a deficient number, since it is larger than the sum of its proper divisors (9712231).

111006105641 is an equidigital number, since it uses as much as digits as its factorization.

111006105641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712230.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 111006105641 its reverse (146501600111), we get a palindrome (257507705752).

The spelling of 111006105641 in words is "one hundred eleven billion, six million, one hundred five thousand, six hundred forty-one".