13500343203344 has 80 divisors (see below), whose sum is σ = 26782585804800. Its totient is φ = 6589472497152.

The previous prime is 13500343203343. The next prime is 13500343203359. The reversal of 13500343203344 is 44330234300531.

It is not an unprimeable number, because it can be changed into a prime (13500343203343) 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, 506205242 + ... + 506231910.

It is an arithmetic number, because the mean of its divisors is an integer number (334782322560).

Almost surely, 2^{13500343203344} is an apocalyptic number.

It is an amenable number.

13500343203344 is a deficient number, since it is larger than the sum of its proper divisors (13282242601456).

13500343203344 is a wasteful number, since it uses less digits than its factorization.

13500343203344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28440 (or 28434 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 13500343203344 its reverse (44330234300531), we get a palindrome (57830577503875).

The spelling of 13500343203344 in words is "thirteen trillion, five hundred billion, three hundred forty-three million, two hundred three thousand, three hundred forty-four".