11126262631543 has 2 divisors, whose sum is σ = 11126262631544. Its totient is φ = 11126262631542.

The previous prime is 11126262631513. The next prime is 11126262631553. The reversal of 11126262631543 is 34513626262111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11126262631543 - 2⁵ = 11126262631511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11126262631543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11126262631513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5563131315771 + 5563131315772.

It is an arithmetic number, because the mean of its divisors is an integer number (5563131315772).

Almost surely, 2^{11126262631543} is an apocalyptic number.

11126262631543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11126262631543 is an equidigital number, since it uses as much as digits as its factorization.

11126262631543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

Adding to 11126262631543 its reverse (34513626262111), we get a palindrome (45639888893654).

The spelling of 11126262631543 in words is "eleven trillion, one hundred twenty-six billion, two hundred sixty-two million, six hundred thirty-one thousand, five hundred forty-three".