13013221553250 has 64 divisors (see below), whose sum is σ = 32662459440000. Its totient is φ = 3450805828800.

The previous prime is 13013221553249. The next prime is 13013221553251. The reversal of 13013221553250 is 5235512231031.

13013221553250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13013221553249) and next prime (13013221553251).

It is not an unprimeable number, because it can be changed into a prime (13013221553251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48332125 + ... + 48600624.

It is an arithmetic number, because the mean of its divisors is an integer number (510350928750).

Almost surely, 2^{13013221553250} is an apocalyptic number.

13013221553250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13013221553250 is an abundant number, since it is smaller than the sum of its proper divisors (19649237886750).

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

13013221553250 is a wasteful number, since it uses less digits than its factorization.

13013221553250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96932948 (or 96932938 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 13013221553250 its reverse (5235512231031), we get a palindrome (18248733784281).

The spelling of 13013221553250 in words is "thirteen trillion, thirteen billion, two hundred twenty-one million, five hundred fifty-three thousand, two hundred fifty".