11105121141 has 12 divisors (see below), whose sum is σ = 16634832032. Its totient is φ = 7403413932.

The previous prime is 11105121067. The next prime is 11105121143. The reversal of 11105121141 is 14112150111.

11105121141 is a `hidden beast` number, since 1 + 1 + 10 + 512 + 1 + 141 = 666.

It is not a de Polignac number, because 11105121141 - 2⁹ = 11105120629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105121143) 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, 22849801 + ... + 22850286.

Almost surely, 2^11105121141 is an apocalyptic number.

It is an amenable number.

11105121141 is a deficient number, since it is larger than the sum of its proper divisors (5529710891).

11105121141 is an frugal number, since it uses more digits than its factorization.

11105121141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45700102 (or 45700090 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 18.

Adding to 11105121141 its reverse (14112150111), we get a palindrome (25217271252).

The spelling of 11105121141 in words is "eleven billion, one hundred five million, one hundred twenty-one thousand, one hundred forty-one".