118106556558529 has 32 divisors (see below), whose sum is σ = 147711441862656. Its totient is φ = 91742649131520.

The previous prime is 118106556558491. The next prime is 118106556558593. The reversal of 118106556558529 is 925855655601811.

It is a cyclic number.

It is not a de Polignac number, because 118106556558529 - 2⁹ = 118106556558017 is a prime.

It is a super-2 number, since 2×118106556558529² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (118106556058529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105437137 + ... + 106551409.

It is an arithmetic number, because the mean of its divisors is an integer number (4615982558208).

Almost surely, 2^{118106556558529} is an apocalyptic number.

It is an amenable number.

118106556558529 is a deficient number, since it is larger than the sum of its proper divisors (29604885304127).

118106556558529 is a wasteful number, since it uses less digits than its factorization.

118106556558529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118605.

The product of its (nonzero) digits is 129600000, while the sum is 67.

The spelling of 118106556558529 in words is "one hundred eighteen trillion, one hundred six billion, five hundred fifty-six million, five hundred fifty-eight thousand, five hundred twenty-nine".