13563054260261 has 8 divisors (see below), whose sum is σ = 14796253415424. Its totient is φ = 12329887475520.

The previous prime is 13563054260167. The next prime is 13563054260267. The reversal of 13563054260261 is 16206245036531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13563054260261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13563054260267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7212356 + ... + 8896301.

It is an arithmetic number, because the mean of its divisors is an integer number (1849531676928).

Almost surely, 2^{13563054260261} is an apocalyptic number.

13563054260261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13563054260261 is a deficient number, since it is larger than the sum of its proper divisors (1233199155163).

13563054260261 is a wasteful number, since it uses less digits than its factorization.

13563054260261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185211.

The product of its (nonzero) digits is 777600, while the sum is 44.

Adding to 13563054260261 its reverse (16206245036531), we get a palindrome (29769299296792).

The spelling of 13563054260261 in words is "thirteen trillion, five hundred sixty-three billion, fifty-four million, two hundred sixty thousand, two hundred sixty-one".