11243412137 has 2 divisors, whose sum is σ = 11243412138. Its totient is φ = 11243412136.

The previous prime is 11243412121. The next prime is 11243412149. The reversal of 11243412137 is 73121434211.

11243412137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6480894016 + 4762518121 = 80504^2 + 69011^2 .

It is a cyclic number.

It is not a de Polignac number, because 11243412137 - 2⁴ = 11243412121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11243412197) 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 as a sum of consecutive naturals, namely, 5621706068 + 5621706069.

It is an arithmetic number, because the mean of its divisors is an integer number (5621706069).

Almost surely, 2^11243412137 is an apocalyptic number.

It is an amenable number.

11243412137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243412137 is an equidigital number, since it uses as much as digits as its factorization.

11243412137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

Adding to 11243412137 its reverse (73121434211), we get a palindrome (84364846348).

The spelling of 11243412137 in words is "eleven billion, two hundred forty-three million, four hundred twelve thousand, one hundred thirty-seven".