2111141441605 has 16 divisors (see below), whose sum is σ = 2995116923520. Its totient is φ = 1397721229632.

The previous prime is 2111141441603. The next prime is 2111141441621. The reversal of 2111141441605 is 5061441411112.

It is not a de Polignac number, because 2111141441605 - 2¹ = 2111141441603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111141441603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039970139 + ... + 1039972168.

It is an arithmetic number, because the mean of its divisors is an integer number (187194807720).

Almost surely, 2^{2111141441605} is an apocalyptic number.

It is an amenable number.

2111141441605 is a deficient number, since it is larger than the sum of its proper divisors (883975481915).

2111141441605 is a wasteful number, since it uses less digits than its factorization.

2111141441605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079942348.

The product of its (nonzero) digits is 3840, while the sum is 31.

Adding to 2111141441605 its reverse (5061441411112), we get a palindrome (7172582852717).

The spelling of 2111141441605 in words is "two trillion, one hundred eleven billion, one hundred forty-one million, four hundred forty-one thousand, six hundred five".