118955559 has 8 divisors (see below), whose sum is σ = 159319552. Its totient is φ = 78947640.

The previous prime is 118955549. The next prime is 118955567. The reversal of 118955559 is 955559811.

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

It is not a de Polignac number, because 118955559 - 2⁵ = 118955527 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 (118955509) 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, 88237 + ... + 89574.

It is an arithmetic number, because the mean of its divisors is an integer number (19914944).

Almost surely, 2^118955559 is an apocalyptic number.

118955559 is a deficient number, since it is larger than the sum of its proper divisors (40363993).

118955559 is a wasteful number, since it uses less digits than its factorization.

118955559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178037.

The product of its digits is 405000, while the sum is 48.

The square root of 118955559 is about 10906.6749745282. The cubic root of 118955559 is about 491.8072357750.

The spelling of 118955559 in words is "one hundred eighteen million, nine hundred fifty-five thousand, five hundred fifty-nine".