118238852265361 has 9 divisors (see below), whose sum is σ = 118393995676593. Its totient is φ = 118083911930880.

The previous prime is 118238852265341. The next prime is 118238852265397. The reversal of 118238852265361 is 163562258832811.

The square root of 118238852265361 is 10873769.

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

It can be written as a sum of positive squares in 4 ways, for example, as 86300225361 + 118152552040000 = 293769^2 + 10869800^2 .

It is not a de Polignac number, because 118238852265361 - 2²⁹ = 118238315394449 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 118238852265361.

It is not an unprimeable number, because it can be changed into a prime (118238852265341) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8796872401 + ... + 8796885841.

Almost surely, 2^{118238852265361} is an apocalyptic number.

118238852265361 is the 10873769-th square number.

118238852265361 is the 5436885-th centered octagonal number.

It is an amenable number.

118238852265361 is a deficient number, since it is larger than the sum of its proper divisors (155143411232).

118238852265361 is an frugal number, since it uses more digits than its factorization.

118238852265361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28500 (or 14250 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 61.

The spelling of 118238852265361 in words is "one hundred eighteen trillion, two hundred thirty-eight billion, eight hundred fifty-two million, two hundred sixty-five thousand, three hundred sixty-one".