118185888167987 has 8 divisors (see below), whose sum is σ = 125061368497920. Its totient is φ = 111455154792520.

The previous prime is 118185888167983. The next prime is 118185888168017. The reversal of 118185888167987 is 789761888581811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118185888167987 - 2² = 118185888167983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118185888167899 and 118185888167908.

It is not an unprimeable number, because it can be changed into a prime (118185888167981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36186736937 + ... + 36186740202.

It is an arithmetic number, because the mean of its divisors is an integer number (15632671062240).

Almost surely, 2^{118185888167987} is an apocalyptic number.

118185888167987 is a deficient number, since it is larger than the sum of its proper divisors (6875480329933).

118185888167987 is an equidigital number, since it uses as much as digits as its factorization.

118185888167987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72373477233.

The product of its digits is 3468165120, while the sum is 86.

The spelling of 118185888167987 in words is "one hundred eighteen trillion, one hundred eighty-five billion, eight hundred eighty-eight million, one hundred sixty-seven thousand, nine hundred eighty-seven".