11313115643 has 2 divisors, whose sum is σ = 11313115644. Its totient is φ = 11313115642.

The previous prime is 11313115637. The next prime is 11313115669. The reversal of 11313115643 is 34651131311.

It is a happy number.

11313115643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11313115643 - 2¹⁸ = 11312853499 is a prime.

It is not a weakly prime, because it can be changed into another prime (11313115633) 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, 5656557821 + 5656557822.

It is an arithmetic number, because the mean of its divisors is an integer number (5656557822).

Almost surely, 2^11313115643 is an apocalyptic number.

11313115643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313115643 is an equidigital number, since it uses as much as digits as its factorization.

11313115643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

Adding to 11313115643 its reverse (34651131311), we get a palindrome (45964246954).

The spelling of 11313115643 in words is "eleven billion, three hundred thirteen million, one hundred fifteen thousand, six hundred forty-three".