51534022043519 has 2 divisors, whose sum is σ = 51534022043520. Its totient is φ = 51534022043518.

The previous prime is 51534022043501. The next prime is 51534022043551. The reversal of 51534022043519 is 91534022043515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51534022043519 - 2⁸ = 51534022043263 is a prime.

It is a super-2 number, since 2×51534022043519² (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 51534022043519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51534022043599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25767011021759 + 25767011021760.

It is an arithmetic number, because the mean of its divisors is an integer number (25767011021760).

Almost surely, 2^{51534022043519} is an apocalyptic number.

51534022043519 is a deficient number, since it is larger than the sum of its proper divisors (1).

51534022043519 is an equidigital number, since it uses as much as digits as its factorization.

51534022043519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 51534022043519 in words is "fifty-one trillion, five hundred thirty-four billion, twenty-two million, forty-three thousand, five hundred nineteen".