1126666211 has 48 divisors (see below), whose sum is σ = 1375310880. Its totient is φ = 921536000.

The previous prime is 1126666193. The next prime is 1126666213.

1126666211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1126666211 - 2¹⁰ = 1126665187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126666213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11155061 + ... + 11155161.

It is an arithmetic number, because the mean of its divisors is an integer number (28652310).

Almost surely, 2^1126666211 is an apocalyptic number.

1126666211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1126666211 is a deficient number, since it is larger than the sum of its proper divisors (248644669).

1126666211 is a wasteful number, since it uses less digits than its factorization.

1126666211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 158 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 1126666211 is about 33565.8488794787. The cubic root of 1126666211 is about 1040.5551187684. Note that the first 3 decimals are identical.

It can be divided in two parts, 11266 and 66211, that added together give a palindrome (77477).

The spelling of 1126666211 in words is "one billion, one hundred twenty-six million, six hundred sixty-six thousand, two hundred eleven".