13881106571 has 8 divisors (see below), whose sum is σ = 14179980864. Its totient is φ = 13582379520.

The previous prime is 13881106559. The next prime is 13881106573. The reversal of 13881106571 is 17560118831.

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

It is a cyclic number.

It is not a de Polignac number, because 13881106571 - 2¹⁸ = 13880844427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13881106573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165611 + ... + 234923.

It is an arithmetic number, because the mean of its divisors is an integer number (1772497608).

Almost surely, 2^13881106571 is an apocalyptic number.

13881106571 is a deficient number, since it is larger than the sum of its proper divisors (298874293).

13881106571 is an equidigital number, since it uses as much as digits as its factorization.

13881106571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73621.

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 13881106571 in words is "thirteen billion, eight hundred eighty-one million, one hundred six thousand, five hundred seventy-one".