118642067243 has 8 divisors (see below), whose sum is σ = 140266483680. Its totient is φ = 98186538240.

The previous prime is 118642067239. The next prime is 118642067321. The reversal of 118642067243 is 342760246811.

It is a happy number.

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

It is not a de Polignac number, because 118642067243 - 2² = 118642067239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118642067194 and 118642067203.

It is not an unprimeable number, because it can be changed into a prime (118642067143) 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 7 ways as a sum of consecutive naturals, for example, 292221638 + ... + 292222043.

It is an arithmetic number, because the mean of its divisors is an integer number (17533310460).

Almost surely, 2^118642067243 is an apocalyptic number.

118642067243 is a deficient number, since it is larger than the sum of its proper divisors (21624416437).

118642067243 is an equidigital number, since it uses as much as digits as its factorization.

118642067243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584443717.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 118642067243 in words is "one hundred eighteen billion, six hundred forty-two million, sixty-seven thousand, two hundred forty-three".