12534104415 has 32 divisors (see below), whose sum is σ = 22957756416. Its totient is φ = 5720313600.

The previous prime is 12534104399. The next prime is 12534104417. The reversal of 12534104415 is 51440143521.

It is not a de Polignac number, because 12534104415 - 2⁴ = 12534104399 is a prime.

It is a super-2 number, since 2×12534104415² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534104417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36207 + ... + 162416.

It is an arithmetic number, because the mean of its divisors is an integer number (717429888).

Almost surely, 2^12534104415 is an apocalyptic number.

12534104415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12534104415 is a deficient number, since it is larger than the sum of its proper divisors (10423652001).

12534104415 is a wasteful number, since it uses less digits than its factorization.

12534104415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199239.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12534104415 its reverse (51440143521), we get a palindrome (63974247936).

The spelling of 12534104415 in words is "twelve billion, five hundred thirty-four million, one hundred four thousand, four hundred fifteen".