1105540211 has 4 divisors (see below), whose sum is σ = 1107001392. Its totient is φ = 1104079032.

The previous prime is 1105540201. The next prime is 1105540229. The reversal of 1105540211 is 1120455011.

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

It is a cyclic number.

It is not a de Polignac number, because 1105540211 - 2¹⁸ = 1105278067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105540201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729455 + ... + 730968.

It is an arithmetic number, because the mean of its divisors is an integer number (276750348).

Almost surely, 2^1105540211 is an apocalyptic number.

1105540211 is a deficient number, since it is larger than the sum of its proper divisors (1461181).

1105540211 is an equidigital number, since it uses as much as digits as its factorization.

1105540211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461180.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1105540211 is about 33249.6648253783. The cubic root of 1105540211 is about 1034.0102593926.

Adding to 1105540211 its reverse (1120455011), we get a palindrome (2225995222).

The spelling of 1105540211 in words is "one billion, one hundred five million, five hundred forty thousand, two hundred eleven".