118471405055987 has 2 divisors, whose sum is σ = 118471405055988. Its totient is φ = 118471405055986.

The previous prime is 118471405055963. The next prime is 118471405056019. The reversal of 118471405055987 is 789550504174811.

It is a weak prime.

It is an emirp because it is prime and its reverse (789550504174811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118471405055987 - 2⁶ = 118471405055923 is a prime.

It is not a weakly prime, because it can be changed into another prime (118471405055917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59235702527993 + 59235702527994.

It is an arithmetic number, because the mean of its divisors is an integer number (59235702527994).

Almost surely, 2^{118471405055987} is an apocalyptic number.

118471405055987 is a deficient number, since it is larger than the sum of its proper divisors (1).

118471405055987 is an equidigital number, since it uses as much as digits as its factorization.

118471405055987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448000, while the sum is 65.

The spelling of 118471405055987 in words is "one hundred eighteen trillion, four hundred seventy-one billion, four hundred five million, fifty-five thousand, nine hundred eighty-seven".