13503444036 has 24 divisors (see below), whose sum is σ = 31510054464. Its totient is φ = 4500859680.

The previous prime is 13503444023. The next prime is 13503444067. The reversal of 13503444036 is 63044430531.

It is a junction number, because it is equal to n+sod(n) for n = 13503443988 and 13503444006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249721 + ... + 298943.

It is an arithmetic number, because the mean of its divisors is an integer number (1312918936).

Almost surely, 2^13503444036 is an apocalyptic number.

It is an amenable number.

13503444036 is an abundant number, since it is smaller than the sum of its proper divisors (18006610428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13503444036 is a wasteful number, since it uses less digits than its factorization.

13503444036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72091 (or 72089 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 13503444036 its reverse (63044430531), we get a palindrome (76547874567).

The spelling of 13503444036 in words is "thirteen billion, five hundred three million, four hundred forty-four thousand, thirty-six".