12415261487 has 2 divisors, whose sum is σ = 12415261488. Its totient is φ = 12415261486.

The previous prime is 12415261477. The next prime is 12415261489. The reversal of 12415261487 is 78416251421.

12415261487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12415261487 - 2⁸ = 12415261231 is a prime.

Together with 12415261489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12415261489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6207630743 + 6207630744.

It is an arithmetic number, because the mean of its divisors is an integer number (6207630744).

Almost surely, 2^12415261487 is an apocalyptic number.

12415261487 is a deficient number, since it is larger than the sum of its proper divisors (1).

12415261487 is an equidigital number, since it uses as much as digits as its factorization.

12415261487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 41.

The spelling of 12415261487 in words is "twelve billion, four hundred fifteen million, two hundred sixty-one thousand, four hundred eighty-seven".