255555124239983 has 2 divisors, whose sum is σ = 255555124239984. Its totient is φ = 255555124239982.

The previous prime is 255555124239949. The next prime is 255555124240007. The reversal of 255555124239983 is 389932421555552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255555124239983 - 2¹⁰ = 255555124238959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255555124239913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127777562119991 + 127777562119992.

It is an arithmetic number, because the mean of its divisors is an integer number (127777562119992).

Almost surely, 2^{255555124239983} is an apocalyptic number.

255555124239983 is a deficient number, since it is larger than the sum of its proper divisors (1).

255555124239983 is an equidigital number, since it uses as much as digits as its factorization.

255555124239983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200000, while the sum is 68.

The spelling of 255555124239983 in words is "two hundred fifty-five trillion, five hundred fifty-five billion, one hundred twenty-four million, two hundred thirty-nine thousand, nine hundred eighty-three".