118864567740609 has 6 divisors (see below), whose sum is σ = 171693264514226. Its totient is φ = 79243045160400.

The previous prime is 118864567740563. The next prime is 118864567740643. The reversal of 118864567740609 is 906047765468811.

118864567740609 is a `hidden beast` number, since 1 + 1 + 8 + 8 + 6 + 4 + 5 + 6 + 7 + 7 + 4 + 0 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 118657449000000 + 207118740609 = 10893000^2 + 455103^2 .

It is not a de Polignac number, because 118864567740609 - 2⁷ = 118864567740481 is a prime.

It is a super-2 number, since 2×118864567740609² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118864567740649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6603587096692 + ... + 6603587096709.

Almost surely, 2^{118864567740609} is an apocalyptic number.

It is an amenable number.

118864567740609 is a deficient number, since it is larger than the sum of its proper divisors (52828696773617).

118864567740609 is a wasteful number, since it uses less digits than its factorization.

118864567740609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207174193407 (or 13207174193404 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 118864567740609 in words is "one hundred eighteen trillion, eight hundred sixty-four billion, five hundred sixty-seven million, seven hundred forty thousand, six hundred nine".