13505435504 has 40 divisors (see below), whose sum is σ = 29786700672. Its totient is φ = 5871926720.

The previous prime is 13505435501. The next prime is 13505435549. The reversal of 13505435504 is 40553450531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13505435501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664114 + ... + 1672209.

Almost surely, 2^13505435504 is an apocalyptic number.

It is an amenable number.

13505435504 is an abundant number, since it is smaller than the sum of its proper divisors (16281265168).

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

13505435504 is a wasteful number, since it uses less digits than its factorization.

13505435504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336365 (or 3336359 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 13505435504 in words is "thirteen billion, five hundred five million, four hundred thirty-five thousand, five hundred four".