12545624387 has 2 divisors, whose sum is σ = 12545624388. Its totient is φ = 12545624386.

The previous prime is 12545624369. The next prime is 12545624471. The reversal of 12545624387 is 78342654521.

12545624387 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 not a de Polignac number, because 12545624387 - 2¹⁸ = 12545362243 is a prime.

It is not a weakly prime, because it can be changed into another prime (12545624587) 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, 6272812193 + 6272812194.

It is an arithmetic number, because the mean of its divisors is an integer number (6272812194).

Almost surely, 2^12545624387 is an apocalyptic number.

12545624387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12545624387 is an equidigital number, since it uses as much as digits as its factorization.

12545624387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 47.

The spelling of 12545624387 in words is "twelve billion, five hundred forty-five million, six hundred twenty-four thousand, three hundred eighty-seven".