13504254155403 has 24 divisors (see below), whose sum is σ = 19802168725248. Its totient is φ = 8179926150000.

The previous prime is 13504254155393. The next prime is 13504254155419. The reversal of 13504254155403 is 30455145240531.

It is not a de Polignac number, because 13504254155403 - 2¹² = 13504254151307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13504254155003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9494223 + ... + 10823528.

It is an arithmetic number, because the mean of its divisors is an integer number (825090363552).

Almost surely, 2^{13504254155403} is an apocalyptic number.

13504254155403 is a deficient number, since it is larger than the sum of its proper divisors (6297914569845).

13504254155403 is a wasteful number, since it uses less digits than its factorization.

13504254155403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20319607 (or 20319596 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 13504254155403 its reverse (30455145240531), we get a palindrome (43959399395934).

The spelling of 13504254155403 in words is "thirteen trillion, five hundred four billion, two hundred fifty-four million, one hundred fifty-five thousand, four hundred three".