51011005027 has 2 divisors, whose sum is σ = 51011005028. Its totient is φ = 51011005026.

The previous prime is 51011004997. The next prime is 51011005033. The reversal of 51011005027 is 72050011015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51011005027 - 2³⁵ = 16651266659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51011004989 and 51011005007.

It is not a weakly prime, because it can be changed into another prime (51011002027) 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 as a sum of consecutive naturals, namely, 25505502513 + 25505502514.

It is an arithmetic number, because the mean of its divisors is an integer number (25505502514).

Almost surely, 2^51011005027 is an apocalyptic number.

51011005027 is a deficient number, since it is larger than the sum of its proper divisors (1).

51011005027 is an equidigital number, since it uses as much as digits as its factorization.

51011005027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 22.

The spelling of 51011005027 in words is "fifty-one billion, eleven million, five thousand, twenty-seven".