118155880243 has 8 divisors (see below), whose sum is σ = 120572495568. Its totient is φ = 115746200544.

The previous prime is 118155880211. The next prime is 118155880273. The reversal of 118155880243 is 342088551811.

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 118155880243 - 2⁵ = 118155880211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118155880193 and 118155880202.

It is not an unprimeable number, because it can be changed into a prime (118155880273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699480 + ... + 1767637.

It is an arithmetic number, because the mean of its divisors is an integer number (15071561946).

Almost surely, 2^118155880243 is an apocalyptic number.

118155880243 is a deficient number, since it is larger than the sum of its proper divisors (2416615325).

118155880243 is an equidigital number, since it uses as much as digits as its factorization.

118155880243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467813.

The product of its (nonzero) digits is 307200, while the sum is 46.

The spelling of 118155880243 in words is "one hundred eighteen billion, one hundred fifty-five million, eight hundred eighty thousand, two hundred forty-three".