13430504121405 has 48 divisors (see below), whose sum is σ = 25067997215424. Its totient is φ = 6122266106880.

The previous prime is 13430504121403. The next prime is 13430504121421. The reversal of 13430504121405 is 50412140503431.

It is not a de Polignac number, because 13430504121405 - 2¹ = 13430504121403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430504121401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25622691 + ... + 26141600.

It is an arithmetic number, because the mean of its divisors is an integer number (522249941988).

Almost surely, 2^{13430504121405} is an apocalyptic number.

13430504121405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13430504121405 is a deficient number, since it is larger than the sum of its proper divisors (11637493094019).

13430504121405 is a wasteful number, since it uses less digits than its factorization.

13430504121405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51764666 (or 51764659 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 13430504121405 its reverse (50412140503431), we get a palindrome (63842644624836).

The spelling of 13430504121405 in words is "thirteen trillion, four hundred thirty billion, five hundred four million, one hundred twenty-one thousand, four hundred five".