51457123757167 has 2 divisors, whose sum is σ = 51457123757168. Its totient is φ = 51457123757166.

The previous prime is 51457123757089. The next prime is 51457123757293. The reversal of 51457123757167 is 76175732175415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51457123757167 - 2¹¹ = 51457123755119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51457123757467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25728561878583 + 25728561878584.

It is an arithmetic number, because the mean of its divisors is an integer number (25728561878584).

Almost surely, 2^{51457123757167} is an apocalyptic number.

51457123757167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51457123757167 is an equidigital number, since it uses as much as digits as its factorization.

51457123757167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43218000, while the sum is 61.

The spelling of 51457123757167 in words is "fifty-one trillion, four hundred fifty-seven billion, one hundred twenty-three million, seven hundred fifty-seven thousand, one hundred sixty-seven".