118012555 has 16 divisors (see below), whose sum is σ = 153607104. Its totient is φ = 86686720.

The previous prime is 118012549. The next prime is 118012561. The reversal of 118012555 is 555210811.

It is an interprime number because it is at equal distance from previous prime (118012549) and next prime (118012561).

It is not a de Polignac number, because 118012555 - 2⁵ = 118012523 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13447 + ... + 20416.

It is an arithmetic number, because the mean of its divisors is an integer number (9600444).

Almost surely, 2^118012555 is an apocalyptic number.

118012555 is a deficient number, since it is larger than the sum of its proper divisors (35594549).

118012555 is a wasteful number, since it uses less digits than its factorization.

118012555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33926.

The product of its (nonzero) digits is 2000, while the sum is 28.

The square root of 118012555 is about 10863.3583665458. The cubic root of 118012555 is about 490.5042081907.

The spelling of 118012555 in words is "one hundred eighteen million, twelve thousand, five hundred fifty-five".