2211045555 has 16 divisors (see below), whose sum is σ = 3538256544. Its totient is φ = 1179029760.

The previous prime is 2211045527. The next prime is 2211045559. The reversal of 2211045555 is 5555401122.

It is not a de Polignac number, because 2211045555 - 2⁶ = 2211045491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211045559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166045 + ... + 178865.

It is an arithmetic number, because the mean of its divisors is an integer number (221141034).

Almost surely, 2^2211045555 is an apocalyptic number.

2211045555 is a deficient number, since it is larger than the sum of its proper divisors (1327210989).

2211045555 is a wasteful number, since it uses less digits than its factorization.

2211045555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24326.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 2211045555 is about 47021.7561879605. The cubic root of 2211045555 is about 1302.7644436870.

Adding to 2211045555 its reverse (5555401122), we get a palindrome (7766446677).

The spelling of 2211045555 in words is "two billion, two hundred eleven million, forty-five thousand, five hundred fifty-five".