13425699765888 has 192 divisors, whose sum is σ = 40710673785600. Its totient is φ = 4235163439104.

The previous prime is 13425699765857. The next prime is 13425699765911. The reversal of 13425699765888 is 88856799652431.

13425699765888 is a `hidden beast` number, since 1 + 3 + 4 + 25 + 6 + 9 + 9 + 7 + 6 + 588 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20181745 + ... + 20836367.

It is an arithmetic number, because the mean of its divisors is an integer number (212034759300).

Almost surely, 2^{13425699765888} is an apocalyptic number.

13425699765888 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 13425699765888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20355336892800).

13425699765888 is an abundant number, since it is smaller than the sum of its proper divisors (27284974019712).

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

13425699765888 is a wasteful number, since it uses less digits than its factorization.

13425699765888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655599 (or 655584 counting only the distinct ones).

The product of its digits is 6270566400, while the sum is 81.

The spelling of 13425699765888 in words is "thirteen trillion, four hundred twenty-five billion, six hundred ninety-nine million, seven hundred sixty-five thousand, eight hundred eighty-eight".