118275555 has 16 divisors (see below), whose sum is σ = 189378720. Its totient is φ = 63034368.

The previous prime is 118275533. The next prime is 118275557. The reversal of 118275555 is 555572811.

It is a happy number.

It is not a de Polignac number, because 118275555 - 2⁸ = 118275299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118275557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32361 + ... + 35829.

It is an arithmetic number, because the mean of its divisors is an integer number (11836170).

Almost surely, 2^118275555 is an apocalyptic number.

118275555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118275555 is a deficient number, since it is larger than the sum of its proper divisors (71103165).

118275555 is a wasteful number, since it uses less digits than its factorization.

118275555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750.

The product of its digits is 70000, while the sum is 39.

The square root of 118275555 is about 10875.4565421411. The cubic root of 118275555 is about 490.8683132203.

The spelling of 118275555 in words is "one hundred eighteen million, two hundred seventy-five thousand, five hundred fifty-five".