255123636747 has 16 divisors (see below), whose sum is σ = 394085306880. Its totient is φ = 143787880512.

The previous prime is 255123636739. The next prime is 255123636763. The reversal of 255123636747 is 747636321552.

It is a happy number.

255123636747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255123636747 - 2³ = 255123636739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255123636747.

It is not an unprimeable number, because it can be changed into a prime (255123631747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83209047 + ... + 83212112.

It is an arithmetic number, because the mean of its divisors is an integer number (24630331680).

Almost surely, 2^255123636747 is an apocalyptic number.

255123636747 is a deficient number, since it is larger than the sum of its proper divisors (138961670133).

255123636747 is a wasteful number, since it uses less digits than its factorization.

255123636747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166421242.

The product of its digits is 6350400, while the sum is 51.

The spelling of 255123636747 in words is "two hundred fifty-five billion, one hundred twenty-three million, six hundred thirty-six thousand, seven hundred forty-seven".