13315420025500 has 192 divisors, whose sum is σ = 31049793815040. Its totient is φ = 4970993664000.

The previous prime is 13315420025477. The next prime is 13315420025519. The reversal of 13315420025500 is 552002451331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 489577902 + ... + 489605098.

It is an arithmetic number, because the mean of its divisors is an integer number (161717676120).

Almost surely, 2^{13315420025500} is an apocalyptic number.

13315420025500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13315420025500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15524896907520).

13315420025500 is an abundant number, since it is smaller than the sum of its proper divisors (17734373789540).

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

13315420025500 is a wasteful number, since it uses less digits than its factorization.

13315420025500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27713 (or 27701 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 13315420025500 its reverse (552002451331), we get a palindrome (13867422476831).

The spelling of 13315420025500 in words is "thirteen trillion, three hundred fifteen billion, four hundred twenty million, twenty-five thousand, five hundred".