142818978119 has 2 divisors, whose sum is σ = 142818978120. Its totient is φ = 142818978118.

The previous prime is 142818978059. The next prime is 142818978149. The reversal of 142818978119 is 911879818241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142818978119 - 2⁸ = 142818977863 is a prime.

It is a super-2 number, since 2×142818978119² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142818978149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71409489059 + 71409489060.

It is an arithmetic number, because the mean of its divisors is an integer number (71409489060).

Almost surely, 2^142818978119 is an apocalyptic number.

142818978119 is a deficient number, since it is larger than the sum of its proper divisors (1).

142818978119 is an equidigital number, since it uses as much as digits as its factorization.

142818978119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 59.

The spelling of 142818978119 in words is "one hundred forty-two billion, eight hundred eighteen million, nine hundred seventy-eight thousand, one hundred nineteen".