51343253587807 has 2 divisors, whose sum is σ = 51343253587808. Its totient is φ = 51343253587806.

The previous prime is 51343253587771. The next prime is 51343253587811. The reversal of 51343253587807 is 70878535234315.

51343253587807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51343253587807 - 2⁷ = 51343253587679 is a prime.

It is a super-2 number, since 2×51343253587807² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51343253582807) 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, 25671626793903 + 25671626793904.

It is an arithmetic number, because the mean of its divisors is an integer number (25671626793904).

Almost surely, 2^{51343253587807} is an apocalyptic number.

51343253587807 is a deficient number, since it is larger than the sum of its proper divisors (1).

51343253587807 is an equidigital number, since it uses as much as digits as its factorization.

51343253587807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672000, while the sum is 61.

The spelling of 51343253587807 in words is "fifty-one trillion, three hundred forty-three billion, two hundred fifty-three million, five hundred eighty-seven thousand, eight hundred seven".