13405422421611 has 24 divisors (see below), whose sum is σ = 21129410253744. Its totient is φ = 8122300623360.

The previous prime is 13405422421609. The next prime is 13405422421637. The reversal of 13405422421611 is 11612422450431.

13405422421611 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 5 + 422 + 4 + 216 + 11 = 666.

It is not a de Polignac number, because 13405422421611 - 2¹ = 13405422421609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13405422423611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17947266 + ... + 18679271.

It is an arithmetic number, because the mean of its divisors is an integer number (880392093906).

Almost surely, 2^{13405422421611} is an apocalyptic number.

13405422421611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13405422421611 is a deficient number, since it is larger than the sum of its proper divisors (7723987832133).

13405422421611 is a wasteful number, since it uses less digits than its factorization.

13405422421611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36630251 (or 36630248 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 13405422421611 in words is "thirteen trillion, four hundred five billion, four hundred twenty-two million, four hundred twenty-one thousand, six hundred eleven".