1105505611 has 12 divisors (see below), whose sum is σ = 1293190920. Its totient is φ = 942275040.

The previous prime is 1105505581. The next prime is 1105505669. The reversal of 1105505611 is 1165055011.

It is not a de Polignac number, because 1105505611 - 2¹⁷ = 1105374539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105505311) 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, 54250 + ... + 71791.

It is an arithmetic number, because the mean of its divisors is an integer number (107765910).

Almost surely, 2^1105505611 is an apocalyptic number.

1105505611 is a deficient number, since it is larger than the sum of its proper divisors (187685309).

1105505611 is a wasteful number, since it uses less digits than its factorization.

1105505611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126234 (or 126227 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 1105505611 is about 33249.1445153105. The cubic root of 1105505611 is about 1033.9994721691. Note that the first 3 decimals are identical.

The spelling of 1105505611 in words is "one billion, one hundred five million, five hundred five thousand, six hundred eleven".