51541343017 has 2 divisors, whose sum is σ = 51541343018. Its totient is φ = 51541343016.

The previous prime is 51541343003. The next prime is 51541343041. The reversal of 51541343017 is 71034314515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50001879321 + 1539463696 = 223611^2 + 39236^2 .

It is a cyclic number.

It is not a de Polignac number, because 51541343017 - 2¹⁹ = 51540818729 is a prime.

It is not a weakly prime, because it can be changed into another prime (51541343317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25770671508 + 25770671509.

It is an arithmetic number, because the mean of its divisors is an integer number (25770671509).

Almost surely, 2^51541343017 is an apocalyptic number.

It is an amenable number.

51541343017 is a deficient number, since it is larger than the sum of its proper divisors (1).

51541343017 is an equidigital number, since it uses as much as digits as its factorization.

51541343017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 51541343017 in words is "fifty-one billion, five hundred forty-one million, three hundred forty-three thousand, seventeen".