13405215103 has 8 divisors (see below), whose sum is σ = 16126574720. Its totient is φ = 10885437720.

The previous prime is 13405215091. The next prime is 13405215119. The reversal of 13405215103 is 30151250431.

It is a happy number.

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 13405215103 - 2²⁵ = 13371660671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405215133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50395413 + ... + 50395678.

It is an arithmetic number, because the mean of its divisors is an integer number (2015821840).

Almost surely, 2^13405215103 is an apocalyptic number.

13405215103 is a deficient number, since it is larger than the sum of its proper divisors (2721359617).

13405215103 is a wasteful number, since it uses less digits than its factorization.

13405215103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100791117.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 13405215103 its reverse (30151250431), we get a palindrome (43556465534).

The spelling of 13405215103 in words is "thirteen billion, four hundred five million, two hundred fifteen thousand, one hundred three".