118311343543 has 8 divisors (see below), whose sum is σ = 122140463616. Its totient is φ = 114483012600.

The previous prime is 118311343519. The next prime is 118311343589. The reversal of 118311343543 is 345343113811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118311343543 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 (118311349543) 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, 115308 + ... + 499918.

It is an arithmetic number, because the mean of its divisors is an integer number (15267557952).

Almost surely, 2^118311343543 is an apocalyptic number.

118311343543 is a deficient number, since it is larger than the sum of its proper divisors (3829120073).

118311343543 is an equidigital number, since it uses as much as digits as its factorization.

118311343543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394565.

The product of its digits is 51840, while the sum is 37.

The spelling of 118311343543 in words is "one hundred eighteen billion, three hundred eleven million, three hundred forty-three thousand, five hundred forty-three".