13632144245161 has 8 divisors (see below), whose sum is σ = 14695149555464. Its totient is φ = 12571193053440.

The previous prime is 13632144245149. The next prime is 13632144245177. The reversal of 13632144245161 is 16154244123631.

It can be written as a sum of positive squares in 4 ways, for example, as 4333724697600 + 9298419547561 = 2081760^2 + 3049331^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13632144245161 - 2⁷ = 13632144245033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13632144245141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513515856 + ... + 513542401.

It is an arithmetic number, because the mean of its divisors is an integer number (1836893694433).

Almost surely, 2^{13632144245161} is an apocalyptic number.

It is an amenable number.

13632144245161 is a deficient number, since it is larger than the sum of its proper divisors (1063005310303).

13632144245161 is a wasteful number, since it uses less digits than its factorization.

13632144245161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027059291.

The product of its digits is 414720, while the sum is 43.

Adding to 13632144245161 its reverse (16154244123631), we get a palindrome (29786388368792).

The spelling of 13632144245161 in words is "thirteen trillion, six hundred thirty-two billion, one hundred forty-four million, two hundred forty-five thousand, one hundred sixty-one".