52125167342081 has 2 divisors, whose sum is σ = 52125167342082. Its totient is φ = 52125167342080.

The previous prime is 52125167342057. The next prime is 52125167342137. The reversal of 52125167342081 is 18024376152125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44947906662400 + 7177260679681 = 6704320^2 + 2679041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52125167342081 is a prime.

It is a super-2 number, since 2×52125167342081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52125167341081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26062583671040 + 26062583671041.

It is an arithmetic number, because the mean of its divisors is an integer number (26062583671041).

Almost surely, 2^{52125167342081} is an apocalyptic number.

It is an amenable number.

52125167342081 is a deficient number, since it is larger than the sum of its proper divisors (1).

52125167342081 is an equidigital number, since it uses as much as digits as its factorization.

52125167342081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 52125167342081 in words is "fifty-two trillion, one hundred twenty-five billion, one hundred sixty-seven million, three hundred forty-two thousand, eighty-one".