13503044105 has 4 divisors (see below), whose sum is σ = 16203652932. Its totient is φ = 10802435280.

The previous prime is 13503044063. The next prime is 13503044129. The reversal of 13503044105 is 50144030531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50144030531 = 7 ⋅7163432933.

It can be written as a sum of positive squares in 2 ways, for example, as 6047239696 + 7455804409 = 77764^2 + 86347^2 .

It is not a de Polignac number, because 13503044105 - 2²⁸ = 13234608649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350304406 + ... + 1350304415.

It is an arithmetic number, because the mean of its divisors is an integer number (4050913233).

Almost surely, 2^13503044105 is an apocalyptic number.

It is an amenable number.

13503044105 is a deficient number, since it is larger than the sum of its proper divisors (2700608827).

13503044105 is an equidigital number, since it uses as much as digits as its factorization.

13503044105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700608826.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13503044105 its reverse (50144030531), we get a palindrome (63647074636).

The spelling of 13503044105 in words is "thirteen billion, five hundred three million, forty-four thousand, one hundred five".