11105404025 has 12 divisors (see below), whose sum is σ = 14030527212. Its totient is φ = 8716693440.

The previous prime is 11105404021. The next prime is 11105404081. The reversal of 11105404025 is 52040450111.

It can be written as a sum of positive squares in 6 ways, for example, as 883991824 + 10221412201 = 29732^2 + 101101^2 .

It is not a de Polignac number, because 11105404025 - 2² = 11105404021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11105404021) 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, 4189394 + ... + 4192043.

It is an arithmetic number, because the mean of its divisors is an integer number (1169210601).

Almost surely, 2^11105404025 is an apocalyptic number.

It is an amenable number.

11105404025 is a deficient number, since it is larger than the sum of its proper divisors (2925123187).

11105404025 is an equidigital number, since it uses as much as digits as its factorization.

11105404025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381500 (or 8381495 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 11105404025 its reverse (52040450111), we get a palindrome (63145854136).

The spelling of 11105404025 in words is "eleven billion, one hundred five million, four hundred four thousand, twenty-five".