51715700650007 has 2 divisors, whose sum is σ = 51715700650008. Its totient is φ = 51715700650006.

The previous prime is 51715700649983. The next prime is 51715700650049. The reversal of 51715700650007 is 70005600751715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51715700650007 - 2⁸ = 51715700649751 is a prime.

It is a super-2 number, since 2×51715700650007² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51715700650007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51715700650907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25857850325003 + 25857850325004.

It is an arithmetic number, because the mean of its divisors is an integer number (25857850325004).

Almost surely, 2^{51715700650007} is an apocalyptic number.

51715700650007 is a deficient number, since it is larger than the sum of its proper divisors (1).

51715700650007 is an equidigital number, since it uses as much as digits as its factorization.

51715700650007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 257250, while the sum is 44.

The spelling of 51715700650007 in words is "fifty-one trillion, seven hundred fifteen billion, seven hundred million, six hundred fifty thousand, seven".