13350521500 has 48 divisors (see below), whose sum is σ = 29203312320. Its totient is φ = 5331825600.

The previous prime is 13350521491. The next prime is 13350521521. The reversal of 13350521500 is 512505331.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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, 302866 + ... + 344134.

It is an arithmetic number, because the mean of its divisors is an integer number (608402340).

Almost surely, 2^13350521500 is an apocalyptic number.

13350521500 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 13350521500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14601656160).

13350521500 is an abundant number, since it is smaller than the sum of its proper divisors (15852790820).

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

13350521500 is a wasteful number, since it uses less digits than its factorization.

13350521500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41935 (or 41923 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 13350521500 in words is "thirteen billion, three hundred fifty million, five hundred twenty-one thousand, five hundred".