13415540104215 has 48 divisors (see below), whose sum is σ = 24750370285056. Its totient is φ = 6698818022400.

The previous prime is 13415540104189. The next prime is 13415540104217. The reversal of 13415540104215 is 51240104551431.

13415540104215 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 5 + 540 + 104 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 13415540104215 - 2²² = 13415535909911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13415540104215.

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 in 47 ways as a sum of consecutive naturals, for example, 45761356 + ... + 46053585.

It is an arithmetic number, because the mean of its divisors is an integer number (515632714272).

Almost surely, 2^{13415540104215} is an apocalyptic number.

13415540104215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13415540104215 is a deficient number, since it is larger than the sum of its proper divisors (11334830180841).

13415540104215 is a wasteful number, since it uses less digits than its factorization.

13415540104215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91815160 (or 91815157 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 13415540104215 its reverse (51240104551431), we get a palindrome (64655644655646).

The spelling of 13415540104215 in words is "thirteen trillion, four hundred fifteen billion, five hundred forty million, one hundred four thousand, two hundred fifteen".