11104205155 has 4 divisors (see below), whose sum is σ = 13325046192. Its totient is φ = 8883364120.

The previous prime is 11104205149. The next prime is 11104205159. The reversal of 11104205155 is 55150240111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11104205155 - 2¹³ = 11104196963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11104205159) 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 3 ways as a sum of consecutive naturals, for example, 1110420511 + ... + 1110420520.

It is an arithmetic number, because the mean of its divisors is an integer number (3331261548).

Almost surely, 2^11104205155 is an apocalyptic number.

11104205155 is a deficient number, since it is larger than the sum of its proper divisors (2220841037).

11104205155 is an equidigital number, since it uses as much as digits as its factorization.

11104205155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220841036.

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 11104205155 its reverse (55150240111), we get a palindrome (66254445266).

The spelling of 11104205155 in words is "eleven billion, one hundred four million, two hundred five thousand, one hundred fifty-five".