51343248837187 has 2 divisors, whose sum is σ = 51343248837188. Its totient is φ = 51343248837186.

The previous prime is 51343248837157. The next prime is 51343248837193. The reversal of 51343248837187 is 78173884234315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51343248837187 - 2⁷ = 51343248837059 is a prime.

It is a super-2 number, since 2×51343248837187² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51343248837157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25671624418593 + 25671624418594.

It is an arithmetic number, because the mean of its divisors is an integer number (25671624418594).

Almost surely, 2^{51343248837187} is an apocalyptic number.

51343248837187 is a deficient number, since it is larger than the sum of its proper divisors (1).

51343248837187 is an equidigital number, since it uses as much as digits as its factorization.

51343248837187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108380160, while the sum is 64.

The spelling of 51343248837187 in words is "fifty-one trillion, three hundred forty-three billion, two hundred forty-eight million, eight hundred thirty-seven thousand, one hundred eighty-seven".