13215103422511 has 16 divisors (see below), whose sum is σ = 13723885502208. Its totient is φ = 12715226726400.

The previous prime is 13215103422503. The next prime is 13215103422517. The reversal of 13215103422511 is 11522430151231.

It is a cyclic number.

It is not a de Polignac number, because 13215103422511 - 2³ = 13215103422503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215103422517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41987650 + ... + 42301216.

It is an arithmetic number, because the mean of its divisors is an integer number (857742843888).

Almost surely, 2^{13215103422511} is an apocalyptic number.

13215103422511 is a deficient number, since it is larger than the sum of its proper divisors (508782079697).

13215103422511 is a wasteful number, since it uses less digits than its factorization.

13215103422511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327762.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 13215103422511 its reverse (11522430151231), we get a palindrome (24737533573742).

The spelling of 13215103422511 in words is "thirteen trillion, two hundred fifteen billion, one hundred three million, four hundred twenty-two thousand, five hundred eleven".