12461607451 has 2 divisors, whose sum is σ = 12461607452. Its totient is φ = 12461607450.

The previous prime is 12461607439. The next prime is 12461607551. The reversal of 12461607451 is 15470616421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12461607451 - 2¹⁵ = 12461574683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12461607451.

It is not a weakly prime, because it can be changed into another prime (12461607421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6230803725 + 6230803726.

It is an arithmetic number, because the mean of its divisors is an integer number (6230803726).

Almost surely, 2^12461607451 is an apocalyptic number.

12461607451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12461607451 is an equidigital number, since it uses as much as digits as its factorization.

12461607451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 12461607451 in words is "twelve billion, four hundred sixty-one million, six hundred seven thousand, four hundred fifty-one".