51258184540627 has 2 divisors, whose sum is σ = 51258184540628. Its totient is φ = 51258184540626.

The previous prime is 51258184540609. The next prime is 51258184540637. The reversal of 51258184540627 is 72604548185215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51258184540627 is a prime.

It is not a weakly prime, because it can be changed into another prime (51258184540637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25629092270313 + 25629092270314.

It is an arithmetic number, because the mean of its divisors is an integer number (25629092270314).

Almost surely, 2^{51258184540627} is an apocalyptic number.

51258184540627 is a deficient number, since it is larger than the sum of its proper divisors (1).

51258184540627 is an equidigital number, since it uses as much as digits as its factorization.

51258184540627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504000, while the sum is 58.

The spelling of 51258184540627 in words is "fifty-one trillion, two hundred fifty-eight billion, one hundred eighty-four million, five hundred forty thousand, six hundred twenty-seven".