13425535105242 has 32 divisors (see below), whose sum is σ = 28959250021632. Its totient is φ = 4124832039744.

The previous prime is 13425535105153. The next prime is 13425535105267. The reversal of 13425535105242 is 24250153552431.

It is a junction number, because it is equal to n+sod(n) for n = 13425535105194 and 13425535105203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127068498 + ... + 127174109.

It is an arithmetic number, because the mean of its divisors is an integer number (904976563176).

Almost surely, 2^{13425535105242} is an apocalyptic number.

13425535105242 is an abundant number, since it is smaller than the sum of its proper divisors (15533714916390).

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

13425535105242 is a wasteful number, since it uses less digits than its factorization.

13425535105242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254243302.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 13425535105242 its reverse (24250153552431), we get a palindrome (37675688657673).

The spelling of 13425535105242 in words is "thirteen trillion, four hundred twenty-five billion, five hundred thirty-five million, one hundred five thousand, two hundred forty-two".