51425511552427 has 2 divisors, whose sum is σ = 51425511552428. Its totient is φ = 51425511552426.

The previous prime is 51425511552407. The next prime is 51425511552433. The reversal of 51425511552427 is 72425511552415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51425511552427 - 2¹⁹ = 51425511028139 is a prime.

It is not a weakly prime, because it can be changed into another prime (51425511552407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25712755776213 + 25712755776214.

It is an arithmetic number, because the mean of its divisors is an integer number (25712755776214).

Almost surely, 2^{51425511552427} is an apocalyptic number.

51425511552427 is a deficient number, since it is larger than the sum of its proper divisors (1).

51425511552427 is an equidigital number, since it uses as much as digits as its factorization.

51425511552427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800000, while the sum is 49.

The spelling of 51425511552427 in words is "fifty-one trillion, four hundred twenty-five billion, five hundred eleven million, five hundred fifty-two thousand, four hundred twenty-seven".