13556110838848 has 84 divisors (see below), whose sum is σ = 27590132438116. Its totient is φ = 6608512512000.

The previous prime is 13556110838791. The next prime is 13556110838849. The reversal of 13556110838848 is 84883801165531.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7153955897344 + 6402154941504 = 2674688^2 + 2530248^2 .

It is not an unprimeable number, because it can be changed into a prime (13556110838849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171772198 + ... + 171851098.

Almost surely, 2^{13556110838848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13556110838848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13795066219058).

13556110838848 is an abundant number, since it is smaller than the sum of its proper divisors (14034021599268).

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

13556110838848 is an equidigital number, since it uses as much as digits as its factorization.

13556110838848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80592 (or 80541 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 61.

The spelling of 13556110838848 in words is "thirteen trillion, five hundred fifty-six billion, one hundred ten million, eight hundred thirty-eight thousand, eight hundred forty-eight".