142552012111 has 2 divisors, whose sum is σ = 142552012112. Its totient is φ = 142552012110.

The previous prime is 142552012073. The next prime is 142552012151. The reversal of 142552012111 is 111210255241.

It is a weak prime.

It is an emirp because it is prime and its reverse (111210255241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142552012111 - 2⁷ = 142552011983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142552012151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71276006055 + 71276006056.

It is an arithmetic number, because the mean of its divisors is an integer number (71276006056).

Almost surely, 2^142552012111 is an apocalyptic number.

142552012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

142552012111 is an equidigital number, since it uses as much as digits as its factorization.

142552012111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 142552012111 its reverse (111210255241), we get a palindrome (253762267352).

The spelling of 142552012111 in words is "one hundred forty-two billion, five hundred fifty-two million, twelve thousand, one hundred eleven".