12315426460451 has 2 divisors, whose sum is σ = 12315426460452. Its totient is φ = 12315426460450.

The previous prime is 12315426460433. The next prime is 12315426460483. The reversal of 12315426460451 is 15406462451321.

It is a happy number.

12315426460451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12315426460451 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12315426463451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157713230225 + 6157713230226.

It is an arithmetic number, because the mean of its divisors is an integer number (6157713230226).

Almost surely, 2^{12315426460451} is an apocalyptic number.

12315426460451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315426460451 is an equidigital number, since it uses as much as digits as its factorization.

12315426460451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 12315426460451 in words is "twelve trillion, three hundred fifteen billion, four hundred twenty-six million, four hundred sixty thousand, four hundred fifty-one".