13405502013405 has 16 divisors (see below), whose sum is σ = 22710497529024. Its totient is φ = 6729036304640.

The previous prime is 13405502013367. The next prime is 13405502013413. The reversal of 13405502013405 is 50431020550431.

It is not a de Polignac number, because 13405502013405 - 2²² = 13405497819101 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26285297811 + ... + 26285298320.

It is an arithmetic number, because the mean of its divisors is an integer number (1419406095564).

Almost surely, 2^{13405502013405} is an apocalyptic number.

13405502013405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13405502013405 is a deficient number, since it is larger than the sum of its proper divisors (9304995515619).

13405502013405 is a wasteful number, since it uses less digits than its factorization.

13405502013405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52570596156.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 13405502013405 its reverse (50431020550431), we get a palindrome (63836522563836).

The spelling of 13405502013405 in words is "thirteen trillion, four hundred five billion, five hundred two million, thirteen thousand, four hundred five".