13631143505042 has 8 divisors (see below), whose sum is σ = 23367674580096. Its totient is φ = 5841918645012.

The previous prime is 13631143504963. The next prime is 13631143505081. The reversal of 13631143505042 is 24050534113631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13631143504987 and 13631143505005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486826553738 + ... + 486826553765.

It is an arithmetic number, because the mean of its divisors is an integer number (2920959322512).

Almost surely, 2^{13631143505042} is an apocalyptic number.

13631143505042 is a deficient number, since it is larger than the sum of its proper divisors (9736531075054).

13631143505042 is an equidigital number, since it uses as much as digits as its factorization.

13631143505042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973653107512.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 13631143505042 its reverse (24050534113631), we get a palindrome (37681677618673).

The spelling of 13631143505042 in words is "thirteen trillion, six hundred thirty-one billion, one hundred forty-three million, five hundred five thousand, forty-two".