51015311063 has 2 divisors, whose sum is σ = 51015311064. Its totient is φ = 51015311062.

The previous prime is 51015311029. The next prime is 51015311119. The reversal of 51015311063 is 36011351015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51015311063 - 2¹² = 51015306967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51015316063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25507655531 + 25507655532.

It is an arithmetic number, because the mean of its divisors is an integer number (25507655532).

Almost surely, 2^51015311063 is an apocalyptic number.

51015311063 is a deficient number, since it is larger than the sum of its proper divisors (1).

51015311063 is an equidigital number, since it uses as much as digits as its factorization.

51015311063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 51015311063 its reverse (36011351015), we get a palindrome (87026662078).

The spelling of 51015311063 in words is "fifty-one billion, fifteen million, three hundred eleven thousand, sixty-three".