51110317703 has 2 divisors, whose sum is σ = 51110317704. Its totient is φ = 51110317702.

The previous prime is 51110317681. The next prime is 51110317711. The reversal of 51110317703 is 30771301115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51110317703 - 2⁶ = 51110317639 is a prime.

It is a super-2 number, since 2×51110317703² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51110317103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555158851 + 25555158852.

It is an arithmetic number, because the mean of its divisors is an integer number (25555158852).

Almost surely, 2^51110317703 is an apocalyptic number.

51110317703 is a deficient number, since it is larger than the sum of its proper divisors (1).

51110317703 is an equidigital number, since it uses as much as digits as its factorization.

51110317703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 29.

Adding to 51110317703 its reverse (30771301115), we get a palindrome (81881618818).

The spelling of 51110317703 in words is "fifty-one billion, one hundred ten million, three hundred seventeen thousand, seven hundred three".