13420533515105 has 16 divisors (see below), whose sum is σ = 16109782115328. Its totient is φ = 10732999368000.

The previous prime is 13420533515087. The next prime is 13420533515143. The reversal of 13420533515105 is 50151533502431.

It is not a de Polignac number, because 13420533515105 - 2¹⁰ = 13420533514081 is a prime.

It is a super-2 number, since 2×13420533515105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318976220 + ... + 319018290.

It is an arithmetic number, because the mean of its divisors is an integer number (1006861382208).

Almost surely, 2^{13420533515105} is an apocalyptic number.

It is an amenable number.

13420533515105 is a deficient number, since it is larger than the sum of its proper divisors (2689248600223).

13420533515105 is a wasteful number, since it uses less digits than its factorization.

13420533515105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60928.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 13420533515105 in words is "thirteen trillion, four hundred twenty billion, five hundred thirty-three million, five hundred fifteen thousand, one hundred five".