13504661211 has 8 divisors (see below), whose sum is σ = 18023549440. Its totient is φ = 8994440232.

The previous prime is 13504661201. The next prime is 13504661239. The reversal of 13504661211 is 11216640531.

It is a happy number.

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

It is not a de Polignac number, because 13504661211 - 2⁹ = 13504660699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13504661201) 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, 2163175 + ... + 2169408.

It is an arithmetic number, because the mean of its divisors is an integer number (2252943680).

Almost surely, 2^13504661211 is an apocalyptic number.

13504661211 is a deficient number, since it is larger than the sum of its proper divisors (4518888229).

13504661211 is a wasteful number, since it uses less digits than its factorization.

13504661211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333625.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 13504661211 in words is "thirteen billion, five hundred four million, six hundred sixty-one thousand, two hundred eleven".