13280363560128 has 56 divisors (see below), whose sum is σ = 40157289816832. Its totient is φ = 3794389588224.

The previous prime is 13280363560111. The next prime is 13280363560129. The reversal of 13280363560128 is 82106536308231.

It is a happy number.

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 (48).

It is not an unprimeable number, because it can be changed into a prime (13280363560129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4940610100 + ... + 4940612787.

Almost surely, 2^{13280363560128} is an apocalyptic number.

It is an amenable number.

13280363560128 is an abundant number, since it is smaller than the sum of its proper divisors (26876926256704).

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

13280363560128 is an equidigital number, since it uses as much as digits as its factorization.

13280363560128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9881222909 (or 9881222899 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

Adding to 13280363560128 its reverse (82106536308231), we get a palindrome (95386899868359).

The spelling of 13280363560128 in words is "thirteen trillion, two hundred eighty billion, three hundred sixty-three million, five hundred sixty thousand, one hundred twenty-eight".