13681505104 has 40 divisors (see below), whose sum is σ = 29116261440. Its totient is φ = 6198939648.

The previous prime is 13681505093. The next prime is 13681505129. The reversal of 13681505104 is 40150518631.

It is a self number, because there is not a number n which added to its sum of digits gives 13681505104.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 971377 + ... + 985360.

It is an arithmetic number, because the mean of its divisors is an integer number (727906536).

Almost surely, 2^13681505104 is an apocalyptic number.

It is an amenable number.

13681505104 is an abundant number, since it is smaller than the sum of its proper divisors (15434756336).

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

13681505104 is a wasteful number, since it uses less digits than its factorization.

13681505104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956787 (or 1956781 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 13681505104 in words is "thirteen billion, six hundred eighty-one million, five hundred five thousand, one hundred four".