13545423015242 has 32 divisors (see below), whose sum is σ = 20808565977600. Its totient is φ = 6610066283520.

The previous prime is 13545423015191. The next prime is 13545423015247. The reversal of 13545423015242 is 24251032454531.

It is a self number, because there is not a number n which added to its sum of digits gives 13545423015242.

It is not an unprimeable number, because it can be changed into a prime (13545423015247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50905259 + ... + 51170657.

It is an arithmetic number, because the mean of its divisors is an integer number (650267686800).

Almost surely, 2^{13545423015242} is an apocalyptic number.

13545423015242 is a deficient number, since it is larger than the sum of its proper divisors (7263142962358).

13545423015242 is a wasteful number, since it uses less digits than its factorization.

13545423015242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266966.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 13545423015242 its reverse (24251032454531), we get a palindrome (37796455469773).

The spelling of 13545423015242 in words is "thirteen trillion, five hundred forty-five billion, four hundred twenty-three million, fifteen thousand, two hundred forty-two".