13042542543 has 8 divisors (see below), whose sum is σ = 17434762800. Its totient is φ = 8672675328.

The previous prime is 13042542529. The next prime is 13042542559. The reversal of 13042542543 is 34524524031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13042542543 - 2²⁰ = 13041493967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042542503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5586898 + ... + 5589231.

It is an arithmetic number, because the mean of its divisors is an integer number (2179345350).

Almost surely, 2^13042542543 is an apocalyptic number.

13042542543 is a deficient number, since it is larger than the sum of its proper divisors (4392220257).

13042542543 is a wasteful number, since it uses less digits than its factorization.

13042542543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11176521.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 13042542543 in words is "thirteen billion, forty-two million, five hundred forty-two thousand, five hundred forty-three".