51701311043 has 2 divisors, whose sum is σ = 51701311044. Its totient is φ = 51701311042.

The previous prime is 51701311033. The next prime is 51701311073. The reversal of 51701311043 is 34011310715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51701311043 - 2²⁸ = 51432875587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51701311033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25850655521 + 25850655522.

It is an arithmetic number, because the mean of its divisors is an integer number (25850655522).

Almost surely, 2^51701311043 is an apocalyptic number.

51701311043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51701311043 is an equidigital number, since it uses as much as digits as its factorization.

51701311043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

Adding to 51701311043 its reverse (34011310715), we get a palindrome (85712621758).

The spelling of 51701311043 in words is "fifty-one billion, seven hundred one million, three hundred eleven thousand, forty-three".