118566425055 has 32 divisors (see below), whose sum is σ = 204407179200. Its totient is φ = 58340275200.

The previous prime is 118566425053. The next prime is 118566425069. The reversal of 118566425055 is 550524665811.

It is not a de Polignac number, because 118566425055 - 2¹ = 118566425053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118566424995 and 118566425013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118566425051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210771 + ... + 530619.

It is an arithmetic number, because the mean of its divisors is an integer number (6387724350).

Almost surely, 2^118566425055 is an apocalyptic number.

118566425055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118566425055 is a deficient number, since it is larger than the sum of its proper divisors (85840754145).

118566425055 is a wasteful number, since it uses less digits than its factorization.

118566425055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321771.

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 118566425055 in words is "one hundred eighteen billion, five hundred sixty-six million, four hundred twenty-five thousand, fifty-five".