13521244352 has 56 divisors (see below), whose sum is σ = 33451921920. Its totient is φ = 5268015360.

The previous prime is 13521244337. The next prime is 13521244361. The reversal of 13521244352 is 25344212531.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366952 + ... + 1376807.

Almost surely, 2^13521244352 is an apocalyptic number.

It is an amenable number.

13521244352 is an abundant number, since it is smaller than the sum of its proper divisors (19930677568).

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

13521244352 is a wasteful number, since it uses less digits than its factorization.

13521244352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743789 (or 2743779 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 13521244352 its reverse (25344212531), we get a palindrome (38865456883).

The spelling of 13521244352 in words is "thirteen billion, five hundred twenty-one million, two hundred forty-four thousand, three hundred fifty-two".