255555124240007 has 2 divisors, whose sum is σ = 255555124240008. Its totient is φ = 255555124240006.

The previous prime is 255555124239983. The next prime is 255555124240019. The reversal of 255555124240007 is 700042421555552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255555124240007 - 2³⁰ = 255554050498183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255555124240057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127777562120003 + 127777562120004.

It is an arithmetic number, because the mean of its divisors is an integer number (127777562120004).

Almost surely, 2^{255555124240007} is an apocalyptic number.

255555124240007 is a deficient number, since it is larger than the sum of its proper divisors (1).

255555124240007 is an equidigital number, since it uses as much as digits as its factorization.

255555124240007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800000, while the sum is 47.

Adding to 255555124240007 its reverse (700042421555552), we get a palindrome (955597545795559).

The spelling of 255555124240007 in words is "two hundred fifty-five trillion, five hundred fifty-five billion, one hundred twenty-four million, two hundred forty thousand, seven".