142501200660991 has 2 divisors, whose sum is σ = 142501200660992. Its totient is φ = 142501200660990.

The previous prime is 142501200660971. The next prime is 142501200661069. The reversal of 142501200660991 is 199066002105241.

142501200660991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142501200660991 - 2¹⁹ = 142501200136703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142501200660971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71250600330495 + 71250600330496.

It is an arithmetic number, because the mean of its divisors is an integer number (71250600330496).

Almost surely, 2^{142501200660991} is an apocalyptic number.

142501200660991 is a deficient number, since it is larger than the sum of its proper divisors (1).

142501200660991 is an equidigital number, since it uses as much as digits as its factorization.

142501200660991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 142501200660991 in words is "one hundred forty-two trillion, five hundred one billion, two hundred million, six hundred sixty thousand, nine hundred ninety-one".