13202320531456 has 112 divisors (see below), whose sum is σ = 30182946650496. Its totient is φ = 5656626855936.

The previous prime is 13202320531331. The next prime is 13202320531483. The reversal of 13202320531456 is 65413502320231.

It is a tau number, because it is divible by the number of its divisors (112).

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, 229748680 + ... + 229806136.

Almost surely, 2^{13202320531456} is an apocalyptic number.

13202320531456 is a gapful number since it is divisible by the number (16) 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 13202320531456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15091473325248).

13202320531456 is an abundant number, since it is smaller than the sum of its proper divisors (16980626119040).

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

13202320531456 is an frugal number, since it uses more digits than its factorization.

13202320531456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61497 (or 61473 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 13202320531456 its reverse (65413502320231), we get a palindrome (78615822851687).

The spelling of 13202320531456 in words is "thirteen trillion, two hundred two billion, three hundred twenty million, five hundred thirty-one thousand, four hundred fifty-six".