13321320036048 has 120 divisors (see below), whose sum is σ = 40835385419400. Its totient is φ = 4035125993472.

The previous prime is 13321320036001. The next prime is 13321320036049. The reversal of 13321320036048 is 84063002312331.

13321320036048 is a `hidden beast` number, since 1 + 3 + 3 + 21 + 3 + 20 + 0 + 3 + 604 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2967392102544 + 10353927933504 = 1722612^2 + 3217752^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321320036049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93751693 + ... + 93893676.

It is an arithmetic number, because the mean of its divisors is an integer number (340294878495).

Almost surely, 2^{13321320036048} is an apocalyptic number.

13321320036048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13321320036048 is an abundant number, since it is smaller than the sum of its proper divisors (27514065383352).

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

13321320036048 is a wasteful number, since it uses less digits than its factorization.

13321320036048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187645429 (or 187645420 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 13321320036048 its reverse (84063002312331), we get a palindrome (97384322348379).

The spelling of 13321320036048 in words is "thirteen trillion, three hundred twenty-one billion, three hundred twenty million, thirty-six thousand, forty-eight".