13561145461042 has 8 divisors (see below), whose sum is σ = 20531827707696. Its totient is φ = 6717202891812.

The previous prime is 13561145461021. The next prime is 13561145461043. The reversal of 13561145461042 is 24016454116531.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13561145461042.

It is not an unprimeable number, because it can be changed into a prime (13561145461043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31684919088 + ... + 31684919515.

It is an arithmetic number, because the mean of its divisors is an integer number (2566478463462).

Almost surely, 2^{13561145461042} is an apocalyptic number.

13561145461042 is a deficient number, since it is larger than the sum of its proper divisors (6970682246654).

13561145461042 is a wasteful number, since it uses less digits than its factorization.

13561145461042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63369838712.

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 13561145461042 its reverse (24016454116531), we get a palindrome (37577599577573).

The spelling of 13561145461042 in words is "thirteen trillion, five hundred sixty-one billion, one hundred forty-five million, four hundred sixty-one thousand, forty-two".