51023545063 has 2 divisors, whose sum is σ = 51023545064. Its totient is φ = 51023545062.

The previous prime is 51023545033. The next prime is 51023545087. The reversal of 51023545063 is 36054532015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51023545063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51023545033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25511772531 + 25511772532.

It is an arithmetic number, because the mean of its divisors is an integer number (25511772532).

Almost surely, 2^51023545063 is an apocalyptic number.

51023545063 is a deficient number, since it is larger than the sum of its proper divisors (1).

51023545063 is an equidigital number, since it uses as much as digits as its factorization.

51023545063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 51023545063 in words is "fifty-one billion, twenty-three million, five hundred forty-five thousand, sixty-three".