115213321222543 has 4 divisors (see below), whose sum is σ = 115224800092920. Its totient is φ = 115201842352168.

The previous prime is 115213321222523. The next prime is 115213321222553. The reversal of 115213321222543 is 345222123312511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115213321222543 - 2⁵ = 115213321222511 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 (115213321222523) 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 in 3 ways as a sum of consecutive naturals, for example, 5739420133 + ... + 5739440206.

It is an arithmetic number, because the mean of its divisors is an integer number (28806200023230).

Almost surely, 2^{115213321222543} is an apocalyptic number.

115213321222543 is a deficient number, since it is larger than the sum of its proper divisors (11478870377).

115213321222543 is a wasteful number, since it uses less digits than its factorization.

115213321222543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11478870376.

The product of its digits is 86400, while the sum is 37.

The spelling of 115213321222543 in words is "one hundred fifteen trillion, two hundred thirteen billion, three hundred twenty-one million, two hundred twenty-two thousand, five hundred forty-three".