13106542505 has 16 divisors (see below), whose sum is σ = 17976725760. Its totient is φ = 8986324032.

The previous prime is 13106542417. The next prime is 13106542507. The reversal of 13106542505 is 50524560131.

It is a de Polignac number, because none of the positive numbers 2^k-13106542505 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13106542507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422051 + ... + 452039.

It is an arithmetic number, because the mean of its divisors is an integer number (1123545360).

Almost surely, 2^13106542505 is an apocalyptic number.

It is an amenable number.

13106542505 is a deficient number, since it is larger than the sum of its proper divisors (4870183255).

13106542505 is a wasteful number, since it uses less digits than its factorization.

13106542505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42488.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 13106542505 in words is "thirteen billion, one hundred six million, five hundred forty-two thousand, five hundred five".