13530510505 has 24 divisors (see below), whose sum is σ = 16700076288. Its totient is φ = 10523663136.

The previous prime is 13530510457. The next prime is 13530510509. The reversal of 13530510505 is 50501503531.

It is not a de Polignac number, because 13530510505 - 2⁷ = 13530510377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13530510509) 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, 2058354 + ... + 2064916.

It is an arithmetic number, because the mean of its divisors is an integer number (695836512).

Almost surely, 2^13530510505 is an apocalyptic number.

It is an amenable number.

13530510505 is a deficient number, since it is larger than the sum of its proper divisors (3169565783).

13530510505 is an equidigital number, since it uses as much as digits as its factorization.

13530510505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877 (or 6834 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 28.

The spelling of 13530510505 in words is "thirteen billion, five hundred thirty million, five hundred ten thousand, five hundred five".