71522144115067 has 2 divisors, whose sum is σ = 71522144115068. Its totient is φ = 71522144115066.

The previous prime is 71522144115061. The next prime is 71522144115091. The reversal of 71522144115067 is 76051144122517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71522144115067 - 2²⁷ = 71522009897339 is a prime.

It is not a weakly prime, because it can be changed into another prime (71522144115061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35761072057533 + 35761072057534.

It is an arithmetic number, because the mean of its divisors is an integer number (35761072057534).

Almost surely, 2^{71522144115067} is an apocalyptic number.

71522144115067 is a deficient number, since it is larger than the sum of its proper divisors (1).

71522144115067 is an equidigital number, since it uses as much as digits as its factorization.

71522144115067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 71522144115067 in words is "seventy-one trillion, five hundred twenty-two billion, one hundred forty-four million, one hundred fifteen thousand, sixty-seven".