1105521105 has 96 divisors (see below), whose sum is σ = 2035639296. Its totient is φ = 511011072.

The previous prime is 1105521083. The next prime is 1105521121. The reversal of 1105521105 is 5011255011.

It is not a de Polignac number, because 1105521105 - 2⁶ = 1105521041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3906294 + ... + 3906576.

It is an arithmetic number, because the mean of its divisors is an integer number (21204576).

Almost surely, 2^1105521105 is an apocalyptic number.

1105521105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105521105 is a deficient number, since it is larger than the sum of its proper divisors (930118191).

1105521105 is a wasteful number, since it uses less digits than its factorization.

1105521105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 1105521105 is about 33249.3775129701. The cubic root of 1105521105 is about 1034.0043027530.

Adding to 1105521105 its reverse (5011255011), we get a palindrome (6116776116).

The spelling of 1105521105 in words is "one billion, one hundred five million, five hundred twenty-one thousand, one hundred five".