13400517211 has 4 divisors (see below), whose sum is σ = 13401256912. Its totient is φ = 13399777512.

The previous prime is 13400517167. The next prime is 13400517259. The reversal of 13400517211 is 11271500431.

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 13400517211 - 2¹⁹ = 13399992923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13400517511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341976 + ... + 379141.

It is an arithmetic number, because the mean of its divisors is an integer number (3350314228).

Almost surely, 2^13400517211 is an apocalyptic number.

13400517211 is a deficient number, since it is larger than the sum of its proper divisors (739701).

13400517211 is an equidigital number, since it uses as much as digits as its factorization.

13400517211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739700.

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 13400517211 in words is "thirteen billion, four hundred million, five hundred seventeen thousand, two hundred eleven".