142641543211 has 2 divisors, whose sum is σ = 142641543212. Its totient is φ = 142641543210.

The previous prime is 142641543169. The next prime is 142641543229. The reversal of 142641543211 is 112345146241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142641543211 - 2⁹ = 142641542699 is a prime.

It is not a weakly prime, because it can be changed into another prime (142641540211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71320771605 + 71320771606.

It is an arithmetic number, because the mean of its divisors is an integer number (71320771606).

Almost surely, 2^142641543211 is an apocalyptic number.

142641543211 is a deficient number, since it is larger than the sum of its proper divisors (1).

142641543211 is an equidigital number, since it uses as much as digits as its factorization.

142641543211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

Adding to 142641543211 its reverse (112345146241), we get a palindrome (254986689452).

The spelling of 142641543211 in words is "one hundred forty-two billion, six hundred forty-one million, five hundred forty-three thousand, two hundred eleven".