118341178939 has 2 divisors, whose sum is σ = 118341178940. Its totient is φ = 118341178938.

The previous prime is 118341178883. The next prime is 118341178987. The reversal of 118341178939 is 939871143811.

It is a strong prime.

It is an emirp because it is prime and its reverse (939871143811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118341178939 - 2⁹ = 118341178427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118341178939.

It is not a weakly prime, because it can be changed into another prime (118341178139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59170589469 + 59170589470.

It is an arithmetic number, because the mean of its divisors is an integer number (59170589470).

Almost surely, 2^118341178939 is an apocalyptic number.

118341178939 is a deficient number, since it is larger than the sum of its proper divisors (1).

118341178939 is an equidigital number, since it uses as much as digits as its factorization.

118341178939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 55.

The spelling of 118341178939 in words is "one hundred eighteen billion, three hundred forty-one million, one hundred seventy-eight thousand, nine hundred thirty-nine".