5255206618427 has 2 divisors, whose sum is σ = 5255206618428. Its totient is φ = 5255206618426.

The previous prime is 5255206618381. The next prime is 5255206618499. The reversal of 5255206618427 is 7248166025525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5255206618427 - 2⁴⁰ = 4155694990651 is a prime.

It is not a weakly prime, because it can be changed into another prime (5255206618127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627603309213 + 2627603309214.

It is an arithmetic number, because the mean of its divisors is an integer number (2627603309214).

Almost surely, 2^{5255206618427} is an apocalyptic number.

5255206618427 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255206618427 is an equidigital number, since it uses as much as digits as its factorization.

5255206618427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 5255206618427 in words is "five trillion, two hundred fifty-five billion, two hundred six million, six hundred eighteen thousand, four hundred twenty-seven".