13720585833211 has 4 divisors (see below), whose sum is σ = 13720600981800. Its totient is φ = 13720570684624.

The previous prime is 13720585833203. The next prime is 13720585833257. The reversal of 13720585833211 is 11233858502731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13720585833211 - 2³ = 13720585833203 is a prime.

It is a super-2 number, since 2×13720585833211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13720585833011) 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 3 ways as a sum of consecutive naturals, for example, 6123001 + ... + 8058058.

It is an arithmetic number, because the mean of its divisors is an integer number (3430150245450).

Almost surely, 2^{13720585833211} is an apocalyptic number.

13720585833211 is a deficient number, since it is larger than the sum of its proper divisors (15148589).

13720585833211 is an equidigital number, since it uses as much as digits as its factorization.

13720585833211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15148588.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 13720585833211 in words is "thirteen trillion, seven hundred twenty billion, five hundred eighty-five million, eight hundred thirty-three thousand, two hundred eleven".