1100055105 has 24 divisors (see below), whose sum is σ = 1908078120. Its totient is φ = 586291200.

The previous prime is 1100055079. The next prime is 1100055107. The reversal of 1100055105 is 5015500011.

1100055105 is a `hidden beast` number, since 110 + 0 + 0 + 551 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 419471361 + 680583744 = 20481^2 + 26088^2 .

It is not a de Polignac number, because 1100055105 - 2¹² = 1100051009 is a prime.

It is a super-2 number, since 2×1100055105² = 2420242468073122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100055107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64411 + ... + 79679.

It is an arithmetic number, because the mean of its divisors is an integer number (79503255).

Almost surely, 2^1100055105 is an apocalyptic number.

1100055105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1100055105 is a deficient number, since it is larger than the sum of its proper divisors (808023015).

1100055105 is a wasteful number, since it uses less digits than its factorization.

1100055105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16881 (or 16878 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 1100055105 is about 33167.0786322823. The cubic root of 1100055105 is about 1032.2973526824.

Adding to 1100055105 its reverse (5015500011), we get a palindrome (6115555116).

The spelling of 1100055105 in words is "one billion, one hundred million, fifty-five thousand, one hundred five".