142001268571 has 2 divisors, whose sum is σ = 142001268572. Its totient is φ = 142001268570.

The previous prime is 142001268553. The next prime is 142001268593. The reversal of 142001268571 is 175862100241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142001268571 - 2⁷ = 142001268443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142001268571.

It is not a weakly prime, because it can be changed into another prime (142001268671) 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, 71000634285 + 71000634286.

It is an arithmetic number, because the mean of its divisors is an integer number (71000634286).

Almost surely, 2^142001268571 is an apocalyptic number.

142001268571 is a deficient number, since it is larger than the sum of its proper divisors (1).

142001268571 is an equidigital number, since it uses as much as digits as its factorization.

142001268571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 142001268571 in words is "one hundred forty-two billion, one million, two hundred sixty-eight thousand, five hundred seventy-one".