11031440211 has 24 divisors (see below), whose sum is σ = 17452169280. Its totient is φ = 6659070000.

The previous prime is 11031440207. The next prime is 11031440213. The reversal of 11031440211 is 11204413011.

11031440211 is a `hidden beast` number, since 1 + 10 + 3 + 1 + 440 + 211 = 666.

It is not a de Polignac number, because 11031440211 - 2² = 11031440207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11031440213) 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, 197121 + ... + 246818.

It is an arithmetic number, because the mean of its divisors is an integer number (727173720).

Almost surely, 2^11031440211 is an apocalyptic number.

11031440211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11031440211 is a deficient number, since it is larger than the sum of its proper divisors (6420729069).

11031440211 is a wasteful number, since it uses less digits than its factorization.

11031440211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444207 (or 444204 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11031440211 its reverse (11204413011), we get a palindrome (22235853222).

The spelling of 11031440211 in words is "eleven billion, thirty-one million, four hundred forty thousand, two hundred eleven".