13981675655550 has 192 divisors, whose sum is σ = 36871420506624. Its totient is φ = 3494115840000.

The previous prime is 13981675655531. The next prime is 13981675655561. The reversal of 13981675655550 is 5555657618931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2012617177 + ... + 2012624123.

It is an arithmetic number, because the mean of its divisors is an integer number (192038648472).

Almost surely, 2^{13981675655550} is an apocalyptic number.

13981675655550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13981675655550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18435710253312).

13981675655550 is an abundant number, since it is smaller than the sum of its proper divisors (22889744851074).

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

13981675655550 is a wasteful number, since it uses less digits than its factorization.

13981675655550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10243 (or 10238 counting only the distinct ones).

The product of its (nonzero) digits is 170100000, while the sum is 66.

The spelling of 13981675655550 in words is "thirteen trillion, nine hundred eighty-one billion, six hundred seventy-five million, six hundred fifty-five thousand, five hundred fifty".