13263738521560 has 16 divisors (see below), whose sum is σ = 29843411673600. Its totient is φ = 5305495408608.

The previous prime is 13263738521549. The next prime is 13263738521569. The reversal of 13263738521560 is 6512583736231.

It is a junction number, because it is equal to n+sod(n) for n = 13263738521498 and 13263738521507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13263738521569) 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, 165796731480 + ... + 165796731559.

It is an arithmetic number, because the mean of its divisors is an integer number (1865213229600).

Almost surely, 2^{13263738521560} is an apocalyptic number.

13263738521560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13263738521560 is an abundant number, since it is smaller than the sum of its proper divisors (16579673152040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13263738521560 is a wasteful number, since it uses less digits than its factorization.

13263738521560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331593463050 (or 331593463046 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 13263738521560 in words is "thirteen trillion, two hundred sixty-three billion, seven hundred thirty-eight million, five hundred twenty-one thousand, five hundred sixty".