51260355847 has 2 divisors, whose sum is σ = 51260355848. Its totient is φ = 51260355846.

The previous prime is 51260355841. The next prime is 51260355871. The reversal of 51260355847 is 74855306215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51260355847 - 2¹¹ = 51260353799 is a prime.

It is a super-2 number, since 2×51260355847² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51260355797 and 51260355806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51260355841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25630177923 + 25630177924.

It is an arithmetic number, because the mean of its divisors is an integer number (25630177924).

Almost surely, 2^51260355847 is an apocalyptic number.

51260355847 is a deficient number, since it is larger than the sum of its proper divisors (1).

51260355847 is an equidigital number, since it uses as much as digits as its factorization.

51260355847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 51260355847 in words is "fifty-one billion, two hundred sixty million, three hundred fifty-five thousand, eight hundred forty-seven".