12651628544587 has 2 divisors, whose sum is σ = 12651628544588. Its totient is φ = 12651628544586.

The previous prime is 12651628544573. The next prime is 12651628544629. The reversal of 12651628544587 is 78544582615621.

12651628544587 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-12651628544587 is a prime.

It is not a weakly prime, because it can be changed into another prime (12651628544557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325814272293 + 6325814272294.

It is an arithmetic number, because the mean of its divisors is an integer number (6325814272294).

Almost surely, 2^{12651628544587} is an apocalyptic number.

12651628544587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651628544587 is an equidigital number, since it uses as much as digits as its factorization.

12651628544587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024000, while the sum is 64.

The spelling of 12651628544587 in words is "twelve trillion, six hundred fifty-one billion, six hundred twenty-eight million, five hundred forty-four thousand, five hundred eighty-seven".