13405502031211 has 8 divisors (see below), whose sum is σ = 13417346165760. Its totient is φ = 13393661988072.

The previous prime is 13405502031161. The next prime is 13405502031227. The reversal of 13405502031211 is 11213020550431.

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 13405502031211 - 2¹⁹ = 13405501506923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13405502031211.

It is not an unprimeable number, because it can be changed into a prime (13405502031811) 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, 5551686 + ... + 7591588.

It is an arithmetic number, because the mean of its divisors is an integer number (1677168270720).

Almost surely, 2^{13405502031211} is an apocalyptic number.

13405502031211 is a deficient number, since it is larger than the sum of its proper divisors (11844134549).

13405502031211 is a wasteful number, since it uses less digits than its factorization.

13405502031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045705.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 13405502031211 its reverse (11213020550431), we get a palindrome (24618522581642).

The spelling of 13405502031211 in words is "thirteen trillion, four hundred five billion, five hundred two million, thirty-one thousand, two hundred eleven".