13851968335860 has 96 divisors (see below), whose sum is σ = 39281776934400. Its totient is φ = 3646607477760.

The previous prime is 13851968335831. The next prime is 13851968335871. The reversal of 13851968335860 is 6853386915831.

It is a junction number, because it is equal to n+sod(n) for n = 13851968335791 and 13851968335800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35550576 + ... + 35938104.

It is an arithmetic number, because the mean of its divisors is an integer number (409185176400).

Almost surely, 2^{13851968335860} is an apocalyptic number.

13851968335860 is a gapful number since it is divisible by the number (10) 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 13851968335860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19640888467200).

13851968335860 is an abundant number, since it is smaller than the sum of its proper divisors (25429808598540).

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

13851968335860 is a wasteful number, since it uses less digits than its factorization.

13851968335860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395161 (or 395159 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 66.

The spelling of 13851968335860 in words is "thirteen trillion, eight hundred fifty-one billion, nine hundred sixty-eight million, three hundred thirty-five thousand, eight hundred sixty".