51106340017 has 2 divisors, whose sum is σ = 51106340018. Its totient is φ = 51106340016.

The previous prime is 51106339997. The next prime is 51106340053. The reversal of 51106340017 is 71004360115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47453829921 + 3652510096 = 217839^2 + 60436^2 .

It is a cyclic number.

It is not a de Polignac number, because 51106340017 - 2¹⁵ = 51106307249 is a prime.

It is a super-2 number, since 2×51106340017² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51106340717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553170008 + 25553170009.

It is an arithmetic number, because the mean of its divisors is an integer number (25553170009).

Almost surely, 2^51106340017 is an apocalyptic number.

It is an amenable number.

51106340017 is a deficient number, since it is larger than the sum of its proper divisors (1).

51106340017 is an equidigital number, since it uses as much as digits as its factorization.

51106340017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 51106340017 in words is "fifty-one billion, one hundred six million, three hundred forty thousand, seventeen".