118520455824 has 225 divisors, whose sum is σ = 350471230329. Its totient is φ = 38668181760.

The previous prime is 118520455819. The next prime is 118520455829. The reversal of 118520455824 is 428554025811.

The square root of 118520455824 is 344268.

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

118520455824 is a `hidden beast` number, since 1 + 1 + 8 + 5 + 20 + 45 + 582 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (118520455819) and next prime (118520455829).

It can be written as a sum of positive squares in only one way, i.e., 67277984400 + 51242471424 = 259380^2 + 226368^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 118520455824.

It is not an unprimeable number, because it can be changed into a prime (118520455829) by changing a digit.

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 44 ways as a sum of consecutive naturals, for example, 904736239 + ... + 904736369.

Almost surely, 2^118520455824 is an apocalyptic number.

118520455824 is the 344268-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118520455824

118520455824 is an abundant number, since it is smaller than the sum of its proper divisors (231950774505).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118520455824 is an frugal number, since it uses more digits than its factorization.

118520455824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 45.

The spelling of 118520455824 in words is "one hundred eighteen billion, five hundred twenty million, four hundred fifty-five thousand, eight hundred twenty-four".