118287280625 has 20 divisors (see below), whose sum is σ = 151416984180. Its totient is φ = 92321760000.

The previous prime is 118287280619. The next prime is 118287280637. The reversal of 118287280625 is 526082782811.

It can be written as a sum of positive squares in 10 ways, for example, as 112233040144 + 6054240481 = 335012^2 + 77809^2 .

It is not a de Polignac number, because 118287280625 - 2²⁶ = 118220171761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2282420 + ... + 2333669.

It is an arithmetic number, because the mean of its divisors is an integer number (7570849209).

Almost surely, 2^118287280625 is an apocalyptic number.

It is an amenable number.

118287280625 is a deficient number, since it is larger than the sum of its proper divisors (33129703555).

118287280625 is an frugal number, since it uses more digits than its factorization.

118287280625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616150 (or 4616135 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 118287280625 in words is "one hundred eighteen billion, two hundred eighty-seven million, two hundred eighty thousand, six hundred twenty-five".