13315515560 has 32 divisors (see below), whose sum is σ = 30926361600. Its totient is φ = 5154392640.

The previous prime is 13315515539. The next prime is 13315515569. The reversal of 13315515560 is 6551551331.

It is a super-2 number, since 2×13315515560² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13315515560.

It is not an unprimeable number, because it can be changed into a prime (13315515569) 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, 5367920 + ... + 5370399.

It is an arithmetic number, because the mean of its divisors is an integer number (966448800).

Almost surely, 2^13315515560 is an apocalyptic number.

13315515560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13315515560 is an abundant number, since it is smaller than the sum of its proper divisors (17610846040).

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

13315515560 is a wasteful number, since it uses less digits than its factorization.

13315515560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10738361 (or 10738357 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 35.

The spelling of 13315515560 in words is "thirteen billion, three hundred fifteen million, five hundred fifteen thousand, five hundred sixty".