11104159111 has 4 divisors (see below), whose sum is σ = 11462357824. Its totient is φ = 10745960400.

The previous prime is 11104159103. The next prime is 11104159123. The reversal of 11104159111 is 11195140111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11195140111 = 887 ⋅12621353.

It is a cyclic number.

It is not a de Polignac number, because 11104159111 - 2³ = 11104159103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11104153111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179099310 + ... + 179099371.

It is an arithmetic number, because the mean of its divisors is an integer number (2865589456).

Almost surely, 2^11104159111 is an apocalyptic number.

11104159111 is a deficient number, since it is larger than the sum of its proper divisors (358198713).

11104159111 is an equidigital number, since it uses as much as digits as its factorization.

11104159111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358198712.

The product of its (nonzero) digits is 180, while the sum is 25.

Adding to 11104159111 its reverse (11195140111), we get a palindrome (22299299222).

The spelling of 11104159111 in words is "eleven billion, one hundred four million, one hundred fifty-nine thousand, one hundred eleven".