13371344944128 has 132 divisors (see below), whose sum is σ = 38695470231600. Its totient is φ = 4447186845696.

The previous prime is 13371344944117. The next prime is 13371344944151. The reversal of 13371344944128 is 82144944317331.

13371344944128 is a `hidden beast` number, since 1 + 3 + 3 + 7 + 134 + 4 + 94 + 412 + 8 = 666.

It is a super-2 number, since 2×13371344944128² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2522301 + ... + 5753667.

Almost surely, 2^{13371344944128} is an apocalyptic number.

13371344944128 is a gapful number since it is divisible by the number (18) 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 13371344944128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19347735115800).

13371344944128 is an abundant number, since it is smaller than the sum of its proper divisors (25324125287472).

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

13371344944128 is a wasteful number, since it uses less digits than its factorization.

13371344944128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231842 (or 3231821 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 13371344944128 in words is "thirteen trillion, three hundred seventy-one billion, three hundred forty-four million, nine hundred forty-four thousand, one hundred twenty-eight".