118387605625 has 15 divisors (see below), whose sum is σ = 147947901673. Its totient is φ = 94703203000.

The previous prime is 118387605613. The next prime is 118387605667. The reversal of 118387605625 is 526506783811.

The square root of 118387605625 is 344075.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 9281588281 + 109106017344 = 96341^2 + 330312^2 .

It is not a de Polignac number, because 118387605625 - 2⁵ = 118387605593 is a prime.

It is a Duffinian number.

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 14 ways as a sum of consecutive naturals, for example, 8594994 + ... + 8608756.

Almost surely, 2^118387605625 is an apocalyptic number.

118387605625 is the 344075-th square number.

118387605625 is the 172038-th centered octagonal number.

It is an amenable number.

118387605625 is a deficient number, since it is larger than the sum of its proper divisors (29560296048).

118387605625 is an frugal number, since it uses more digits than its factorization.

118387605625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27546 (or 13768 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 118387605625 in words is "one hundred eighteen billion, three hundred eighty-seven million, six hundred five thousand, six hundred twenty-five".