142505244133111 has 2 divisors, whose sum is σ = 142505244133112. Its totient is φ = 142505244133110.

The previous prime is 142505244133079. The next prime is 142505244133283. The reversal of 142505244133111 is 111331442505241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142505244133111 - 2⁵ = 142505244133079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142505244131111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71252622066555 + 71252622066556.

It is an arithmetic number, because the mean of its divisors is an integer number (71252622066556).

Almost surely, 2^{142505244133111} is an apocalyptic number.

142505244133111 is a deficient number, since it is larger than the sum of its proper divisors (1).

142505244133111 is an equidigital number, since it uses as much as digits as its factorization.

142505244133111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 142505244133111 its reverse (111331442505241), we get a palindrome (253836686638352).

The spelling of 142505244133111 in words is "one hundred forty-two trillion, five hundred five billion, two hundred forty-four million, one hundred thirty-three thousand, one hundred eleven".