118271118499199 has 4 divisors (see below), whose sum is σ = 118271356081320. Its totient is φ = 118270880917080.

The previous prime is 118271118499129. The next prime is 118271118499211. The reversal of 118271118499199 is 991994811172811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118271118499199 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 (118271118499129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118042772 + ... + 119040489.

It is an arithmetic number, because the mean of its divisors is an integer number (29567839020330).

Almost surely, 2^{118271118499199} is an apocalyptic number.

118271118499199 is a deficient number, since it is larger than the sum of its proper divisors (237582121).

118271118499199 is an equidigital number, since it uses as much as digits as its factorization.

118271118499199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237582120.

The product of its digits is 23514624, while the sum is 71.

The spelling of 118271118499199 in words is "one hundred eighteen trillion, two hundred seventy-one billion, one hundred eighteen million, four hundred ninety-nine thousand, one hundred ninety-nine".