12510780640843 has 2 divisors, whose sum is σ = 12510780640844. Its totient is φ = 12510780640842.

The previous prime is 12510780640793. The next prime is 12510780640933. The reversal of 12510780640843 is 34804608701521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12510780640843 is a prime.

It is not a weakly prime, because it can be changed into another prime (12510780640543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255390320421 + 6255390320422.

It is an arithmetic number, because the mean of its divisors is an integer number (6255390320422).

Almost surely, 2^{12510780640843} is an apocalyptic number.

12510780640843 is a deficient number, since it is larger than the sum of its proper divisors (1).

12510780640843 is an equidigital number, since it uses as much as digits as its factorization.

12510780640843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 12510780640843 in words is "twelve trillion, five hundred ten billion, seven hundred eighty million, six hundred forty thousand, eight hundred forty-three".