255278025103 has 2 divisors, whose sum is σ = 255278025104. Its totient is φ = 255278025102.

The previous prime is 255278025073. The next prime is 255278025139. The reversal of 255278025103 is 301520872552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255278025103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255278025173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127639012551 + 127639012552.

It is an arithmetic number, because the mean of its divisors is an integer number (127639012552).

Almost surely, 2^255278025103 is an apocalyptic number.

255278025103 is a deficient number, since it is larger than the sum of its proper divisors (1).

255278025103 is an equidigital number, since it uses as much as digits as its factorization.

255278025103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 40.

Adding to 255278025103 its reverse (301520872552), we get a palindrome (556798897655).

The spelling of 255278025103 in words is "two hundred fifty-five billion, two hundred seventy-eight million, twenty-five thousand, one hundred three".