13415540104216 has 8 divisors (see below), whose sum is σ = 25154137695420. Its totient is φ = 6707770052104.

The previous prime is 13415540104189. The next prime is 13415540104217. The reversal of 13415540104216 is 61240104551431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13415540104217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838471256506 + ... + 838471256521.

Almost surely, 2^{13415540104216} is an apocalyptic number.

It is an amenable number.

13415540104216 is a deficient number, since it is larger than the sum of its proper divisors (11738597591204).

13415540104216 is a wasteful number, since it uses less digits than its factorization.

13415540104216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676942513033 (or 1676942513029 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 13415540104216 its reverse (61240104551431), we get a palindrome (74655644655647).

The spelling of 13415540104216 in words is "thirteen trillion, four hundred fifteen billion, five hundred forty million, one hundred four thousand, two hundred sixteen".