13315526543 has 4 divisors (see below), whose sum is σ = 14526028968. Its totient is φ = 12105024120.

The previous prime is 13315526537. The next prime is 13315526563. The reversal of 13315526543 is 34562551331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13315526543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13315526497 and 13315526506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13315526563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605251196 + ... + 605251217.

It is an arithmetic number, because the mean of its divisors is an integer number (3631507242).

Almost surely, 2^13315526543 is an apocalyptic number.

13315526543 is a deficient number, since it is larger than the sum of its proper divisors (1210502425).

13315526543 is a wasteful number, since it uses less digits than its factorization.

13315526543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210502424.

The product of its digits is 162000, while the sum is 38.

The spelling of 13315526543 in words is "thirteen billion, three hundred fifteen million, five hundred twenty-six thousand, five hundred forty-three".