13425501334543 has 16 divisors (see below), whose sum is σ = 14371897104000. Its totient is φ = 12503092506912.

The previous prime is 13425501334537. The next prime is 13425501334559. The reversal of 13425501334543 is 34543310552431.

It is a cyclic number.

It is not a de Polignac number, because 13425501334543 - 2²⁵ = 13425467780111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13425501334543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425501337543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114896793 + ... + 115013581.

It is an arithmetic number, because the mean of its divisors is an integer number (898243569000).

Almost surely, 2^{13425501334543} is an apocalyptic number.

13425501334543 is a deficient number, since it is larger than the sum of its proper divisors (946395769457).

13425501334543 is a wasteful number, since it uses less digits than its factorization.

13425501334543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219414.

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 13425501334543 its reverse (34543310552431), we get a palindrome (47968811886974).

The spelling of 13425501334543 in words is "thirteen trillion, four hundred twenty-five billion, five hundred one million, three hundred thirty-four thousand, five hundred forty-three".