13898672566811 has 8 divisors (see below), whose sum is σ = 14274445790640. Its totient is φ = 13522906365408.

The previous prime is 13898672566787. The next prime is 13898672566813. The reversal of 13898672566811 is 11866527689831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13898672566811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13898672566813) by changing a digit.

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, 2386625 + ... + 5787341.

It is an arithmetic number, because the mean of its divisors is an integer number (1784305723830).

Almost surely, 2^{13898672566811} is an apocalyptic number.

13898672566811 is a deficient number, since it is larger than the sum of its proper divisors (375773223829).

13898672566811 is a wasteful number, since it uses less digits than its factorization.

13898672566811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511213.

The product of its digits is 209018880, while the sum is 71.

The spelling of 13898672566811 in words is "thirteen trillion, eight hundred ninety-eight billion, six hundred seventy-two million, five hundred sixty-six thousand, eight hundred eleven".