1105404505 has 8 divisors (see below), whose sum is σ = 1326846600. Its totient is φ = 884082816.

The previous prime is 1105404497. The next prime is 1105404527. The reversal of 1105404505 is 5054045011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 229007689 + 876396816 = 15133^2 + 29604^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1105404505 - 2³ = 1105404497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1105404505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8490 + ... + 47779.

It is an arithmetic number, because the mean of its divisors is an integer number (165855825).

Almost surely, 2^1105404505 is an apocalyptic number.

It is an amenable number.

1105404505 is a deficient number, since it is larger than the sum of its proper divisors (221442095).

1105404505 is an equidigital number, since it uses as much as digits as its factorization.

1105404505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60203.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1105404505 is about 33247.6240504491. The cubic root of 1105404505 is about 1033.9679491155.

Adding to 1105404505 its reverse (5054045011), we get a palindrome (6159449516).

The spelling of 1105404505 in words is "one billion, one hundred five million, four hundred four thousand, five hundred five".