11313812543 has 24 divisors (see below), whose sum is σ = 13027828800. Its totient is φ = 9804674880.

The previous prime is 11313812537. The next prime is 11313812551. The reversal of 11313812543 is 34521831311.

11313812543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11313812543 - 2⁶ = 11313812479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313812563) 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 23 ways as a sum of consecutive naturals, for example, 256805 + ... + 297617.

It is an arithmetic number, because the mean of its divisors is an integer number (542826200).

Almost surely, 2^11313812543 is an apocalyptic number.

11313812543 is a deficient number, since it is larger than the sum of its proper divisors (1714016257).

11313812543 is a wasteful number, since it uses less digits than its factorization.

11313812543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40943 (or 40932 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The spelling of 11313812543 in words is "eleven billion, three hundred thirteen million, eight hundred twelve thousand, five hundred forty-three".