13140425042505 has 48 divisors (see below), whose sum is σ = 23786821259136. Its totient is φ = 6697938931200.

The previous prime is 13140425042491. The next prime is 13140425042509. The reversal of 13140425042505 is 50524052404131.

13140425042505 is a `hidden beast` number, since 1 + 3 + 140 + 4 + 2 + 5 + 0 + 4 + 2 + 505 = 666.

It is not a de Polignac number, because 13140425042505 - 2⁴ = 13140425042489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13140425042505.

It is not an unprimeable number, because it can be changed into a prime (13140425042509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4042587 + ... + 6528656.

It is an arithmetic number, because the mean of its divisors is an integer number (495558776232).

Almost surely, 2^{13140425042505} is an apocalyptic number.

13140425042505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13140425042505 is a deficient number, since it is larger than the sum of its proper divisors (10646396216631).

13140425042505 is a wasteful number, since it uses less digits than its factorization.

13140425042505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572478 (or 10572475 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 13140425042505 its reverse (50524052404131), we get a palindrome (63664477446636).

The spelling of 13140425042505 in words is "thirteen trillion, one hundred forty billion, four hundred twenty-five million, forty-two thousand, five hundred five".