13256360503660 has 48 divisors (see below), whose sum is σ = 29481915647520. Its totient is φ = 4989612579840.

The previous prime is 13256360503649. The next prime is 13256360503679. The reversal of 13256360503660 is 6630506365231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13256360503660.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2302146 + ... + 5640265.

It is an arithmetic number, because the mean of its divisors is an integer number (614206575990).

Almost surely, 2^{13256360503660} is an apocalyptic number.

13256360503660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13256360503660 is an abundant number, since it is smaller than the sum of its proper divisors (16225555143860).

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

13256360503660 is a wasteful number, since it uses less digits than its factorization.

13256360503660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947346 (or 7947344 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 46.

Adding to 13256360503660 its reverse (6630506365231), we get a palindrome (19886866868891).

The spelling of 13256360503660 in words is "thirteen trillion, two hundred fifty-six billion, three hundred sixty million, five hundred three thousand, six hundred sixty".