118351824529 has 9 divisors (see below), whose sum is σ = 120645597499. Its totient is φ = 116100882040.

The previous prime is 118351824511. The next prime is 118351824533. The reversal of 118351824529 is 925428153811.

The square root of 118351824529 is 344023.

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

It can be written as a sum of positive squares in only one way, i.e., 85319489025 + 33032335504 = 292095^2 + 181748^2 .

It is not a de Polignac number, because 118351824529 - 2⁷ = 118351824401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118351821529) 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 8 ways as a sum of consecutive naturals, for example, 18229974 + ... + 18236464.

Almost surely, 2^118351824529 is an apocalyptic number.

118351824529 is the 344023-rd square number.

118351824529 is the 172012-nd centered octagonal number.

It is an amenable number.

118351824529 is a deficient number, since it is larger than the sum of its proper divisors (2293772970).

118351824529 is an frugal number, since it uses more digits than its factorization.

118351824529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13088 (or 6544 counting only the distinct ones).

The product of its digits is 691200, while the sum is 49.

Multiplying 118351824529 by its sum of digits (49), we get a square (5799239401921 = 2408161²).

The spelling of 118351824529 in words is "one hundred eighteen billion, three hundred fifty-one million, eight hundred twenty-four thousand, five hundred twenty-nine".