118471405055999 has 4 divisors (see below), whose sum is σ = 118725091148664. Its totient is φ = 118217718963336.

The previous prime is 118471405055987. The next prime is 118471405056019. The reversal of 118471405055999 is 999550504174811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118471405055999 - 2¹² = 118471405051903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118471405055909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126843045632 + ... + 126843046565.

It is an arithmetic number, because the mean of its divisors is an integer number (29681272787166).

Almost surely, 2^{118471405055999} is an apocalyptic number.

118471405055999 is a deficient number, since it is larger than the sum of its proper divisors (253686092665).

118471405055999 is an equidigital number, since it uses as much as digits as its factorization.

118471405055999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253686092664.

The product of its (nonzero) digits is 81648000, while the sum is 68.

The spelling of 118471405055999 in words is "one hundred eighteen trillion, four hundred seventy-one billion, four hundred five million, fifty-five thousand, nine hundred ninety-nine".