12655715783 has 2 divisors, whose sum is σ = 12655715784. Its totient is φ = 12655715782.

The previous prime is 12655715777. The next prime is 12655715819. The reversal of 12655715783 is 38751755621.

It is a weak prime.

It is an emirp because it is prime and its reverse (38751755621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12655715783 - 2⁴ = 12655715767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12655714783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327857891 + 6327857892.

It is an arithmetic number, because the mean of its divisors is an integer number (6327857892).

Almost surely, 2^12655715783 is an apocalyptic number.

12655715783 is a deficient number, since it is larger than the sum of its proper divisors (1).

12655715783 is an equidigital number, since it uses as much as digits as its factorization.

12655715783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764000, while the sum is 50.

The spelling of 12655715783 in words is "twelve billion, six hundred fifty-five million, seven hundred fifteen thousand, seven hundred eighty-three".