127542165071 has 2 divisors, whose sum is σ = 127542165072. Its totient is φ = 127542165070.

The previous prime is 127542165067. The next prime is 127542165161. The reversal of 127542165071 is 170561245721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127542165071 - 2² = 127542165067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127542162071) 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, 63771082535 + 63771082536.

It is an arithmetic number, because the mean of its divisors is an integer number (63771082536).

Almost surely, 2^127542165071 is an apocalyptic number.

127542165071 is a deficient number, since it is larger than the sum of its proper divisors (1).

127542165071 is an equidigital number, since it uses as much as digits as its factorization.

127542165071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 127542165071 in words is "one hundred twenty-seven billion, five hundred forty-two million, one hundred sixty-five thousand, seventy-one".