13506013501 has 4 divisors (see below), whose sum is σ = 13612360192. Its totient is φ = 13399666812.

The previous prime is 13506013489. The next prime is 13506013519. The reversal of 13506013501 is 10531060531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13506013501 - 2²³ = 13497624893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506013571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53173155 + ... + 53173408.

It is an arithmetic number, because the mean of its divisors is an integer number (3403090048).

Almost surely, 2^13506013501 is an apocalyptic number.

It is an amenable number.

13506013501 is a deficient number, since it is larger than the sum of its proper divisors (106346691).

13506013501 is a wasteful number, since it uses less digits than its factorization.

13506013501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106346690.

The product of its (nonzero) digits is 1350, while the sum is 25.

The spelling of 13506013501 in words is "thirteen billion, five hundred six million, thirteen thousand, five hundred one".