11113353551543 has 2 divisors, whose sum is σ = 11113353551544. Its totient is φ = 11113353551542.

The previous prime is 11113353551537. The next prime is 11113353551593. The reversal of 11113353551543 is 34515535331111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11113353551543 - 2⁶ = 11113353551479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11113353551543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113353551593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556676775771 + 5556676775772.

It is an arithmetic number, because the mean of its divisors is an integer number (5556676775772).

Almost surely, 2^{11113353551543} is an apocalyptic number.

11113353551543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113353551543 is an equidigital number, since it uses as much as digits as its factorization.

11113353551543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 202500, while the sum is 41.

Adding to 11113353551543 its reverse (34515535331111), we get a palindrome (45628888882654).

The spelling of 11113353551543 in words is "eleven trillion, one hundred thirteen billion, three hundred fifty-three million, five hundred fifty-one thousand, five hundred forty-three".