13251521352 has 64 divisors (see below), whose sum is σ = 35142275520. Its totient is φ = 4149669888.

The previous prime is 13251521333. The next prime is 13251521357. The reversal of 13251521352 is 25312515231.

It is not an unprimeable number, because it can be changed into a prime (13251521357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193488 + ... + 252864.

It is an arithmetic number, because the mean of its divisors is an integer number (549098055).

Almost surely, 2^13251521352 is an apocalyptic number.

13251521352 is a gapful number since it is divisible by the number (12) 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 13251521352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17571137760).

13251521352 is an abundant number, since it is smaller than the sum of its proper divisors (21890754168).

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

13251521352 is a wasteful number, since it uses less digits than its factorization.

13251521352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59950 (or 59946 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The spelling of 13251521352 in words is "thirteen billion, two hundred fifty-one million, five hundred twenty-one thousand, three hundred fifty-two".