13405215104 has 32 divisors (see below), whose sum is σ = 26717543400. Its totient is φ = 6699635712.

The previous prime is 13405215091. The next prime is 13405215119. The reversal of 13405215104 is 40151250431.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282227 + ... + 326285.

Almost surely, 2^13405215104 is an apocalyptic number.

It is an amenable number.

13405215104 is a deficient number, since it is larger than the sum of its proper divisors (13312328296).

13405215104 is an equidigital number, since it uses as much as digits as its factorization.

13405215104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46450 (or 46438 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 13405215104 its reverse (40151250431), we get a palindrome (53556465535).

The spelling of 13405215104 in words is "thirteen billion, four hundred five million, two hundred fifteen thousand, one hundred four".