13425425502534 has 24 divisors (see below), whose sum is σ = 29089217963520. Its totient is φ = 4475019366288.

The previous prime is 13425425502523. The next prime is 13425425502563. The reversal of 13425425502534 is 43520552452431.

13425425502534 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 5 + 42 + 550 + 2 + 53 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13425425502534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9528429 + ... + 10846280.

It is an arithmetic number, because the mean of its divisors is an integer number (1212050748480).

Almost surely, 2^{13425425502534} is an apocalyptic number.

13425425502534 is an abundant number, since it is smaller than the sum of its proper divisors (15663792460986).

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

13425425502534 is a wasteful number, since it uses less digits than its factorization.

13425425502534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20411324 (or 20411321 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

Adding to 13425425502534 its reverse (43520552452431), we get a palindrome (56945977954965).

The spelling of 13425425502534 in words is "thirteen trillion, four hundred twenty-five billion, four hundred twenty-five million, five hundred two thousand, five hundred thirty-four".