1105500505 has 4 divisors (see below), whose sum is σ = 1326600612. Its totient is φ = 884400400.

The previous prime is 1105500491. The next prime is 1105500593. The reversal of 1105500505 is 5050055011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 548918041 + 556582464 = 23429^2 + 23592^2 .

It is not a de Polignac number, because 1105500505 - 2¹³ = 1105492313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110550046 + ... + 110550055.

It is an arithmetic number, because the mean of its divisors is an integer number (331650153).

Almost surely, 2^1105500505 is an apocalyptic number.

It is an amenable number.

1105500505 is a deficient number, since it is larger than the sum of its proper divisors (221100107).

1105500505 is an equidigital number, since it uses as much as digits as its factorization.

1105500505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221100106.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 1105500505 is about 33249.0677312914. The cubic root of 1105500505 is about 1033.9978802551.

Adding to 1105500505 its reverse (5050055011), we get a palindrome (6155555516).

The spelling of 1105500505 in words is "one billion, one hundred five million, five hundred thousand, five hundred five".