118747199171 has 4 divisors (see below), whose sum is σ = 125732328552. Its totient is φ = 111762069792.

The previous prime is 118747199167. The next prime is 118747199209. The reversal of 118747199171 is 171991747811.

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 118747199171 - 2² = 118747199167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118747199111) 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, 3492564665 + ... + 3492564698.

It is an arithmetic number, because the mean of its divisors is an integer number (31433082138).

Almost surely, 2^118747199171 is an apocalyptic number.

118747199171 is a deficient number, since it is larger than the sum of its proper divisors (6985129381).

118747199171 is an equidigital number, since it uses as much as digits as its factorization.

118747199171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985129380.

The product of its digits is 889056, while the sum is 56.

The spelling of 118747199171 in words is "one hundred eighteen billion, seven hundred forty-seven million, one hundred ninety-nine thousand, one hundred seventy-one".