13545013121105 has 8 divisors (see below), whose sum is σ = 16272850067712. Its totient is φ = 10823454281968.

The previous prime is 13545013121093. The next prime is 13545013121111. The reversal of 13545013121105 is 50112131054531.

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 13545013121105 - 2⁶ = 13545013121041 is a prime.

It is a super-2 number, since 2×13545013121105² (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 7 ways as a sum of consecutive naturals, for example, 1569522119 + ... + 1569530748.

It is an arithmetic number, because the mean of its divisors is an integer number (2034106258464).

Almost surely, 2^{13545013121105} is an apocalyptic number.

It is an amenable number.

13545013121105 is a deficient number, since it is larger than the sum of its proper divisors (2727836946607).

13545013121105 is an equidigital number, since it uses as much as digits as its factorization.

13545013121105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139053735.

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 13545013121105 its reverse (50112131054531), we get a palindrome (63657144175636).

The spelling of 13545013121105 in words is "thirteen trillion, five hundred forty-five billion, thirteen million, one hundred twenty-one thousand, one hundred five".