13820112571 has 8 divisors (see below), whose sum is σ = 13888353024. Its totient is φ = 13752025320.

The previous prime is 13820112563. The next prime is 13820112589. The reversal of 13820112571 is 17521102831.

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 13820112571 - 2³ = 13820112563 is a prime.

It is a super-2 number, since 2×13820112571² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13820112871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144706 + ... + 220408.

It is an arithmetic number, because the mean of its divisors is an integer number (1736044128).

Almost surely, 2^13820112571 is an apocalyptic number.

13820112571 is a deficient number, since it is larger than the sum of its proper divisors (68240453).

13820112571 is an equidigital number, since it uses as much as digits as its factorization.

13820112571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76601.

The product of its (nonzero) digits is 3360, while the sum is 31.

The spelling of 13820112571 in words is "thirteen billion, eight hundred twenty million, one hundred twelve thousand, five hundred seventy-one".