118519075505 has 4 divisors (see below), whose sum is σ = 142222890612. Its totient is φ = 94815260400.

The previous prime is 118519075489. The next prime is 118519075529. The reversal of 118519075505 is 505570915811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31498795441 + 87020280064 = 177479^2 + 294992^2 .

It is not a de Polignac number, because 118519075505 - 2⁴ = 118519075489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118519075505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11851907546 + ... + 11851907555.

It is an arithmetic number, because the mean of its divisors is an integer number (35555722653).

Almost surely, 2^118519075505 is an apocalyptic number.

It is an amenable number.

118519075505 is a deficient number, since it is larger than the sum of its proper divisors (23703815107).

118519075505 is an equidigital number, since it uses as much as digits as its factorization.

118519075505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23703815106.

The product of its (nonzero) digits is 315000, while the sum is 47.

The spelling of 118519075505 in words is "one hundred eighteen billion, five hundred nineteen million, seventy-five thousand, five hundred five".