13803155681388 has 24 divisors (see below), whose sum is σ = 32387292665280. Its totient is φ = 4575347692560.

The previous prime is 13803155681377. The next prime is 13803155681423. The reversal of 13803155681388 is 88318655130831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3213022918 + ... + 3213027213.

It is an arithmetic number, because the mean of its divisors is an integer number (1349470527720).

Almost surely, 2^{13803155681388} is an apocalyptic number.

It is an amenable number.

13803155681388 is an abundant number, since it is smaller than the sum of its proper divisors (18584136983892).

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

13803155681388 is a wasteful number, since it uses less digits than its factorization.

13803155681388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6426050317 (or 6426050315 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 60.

The spelling of 13803155681388 in words is "thirteen trillion, eight hundred three billion, one hundred fifty-five million, six hundred eighty-one thousand, three hundred eighty-eight".