118121172105299 has 16 divisors (see below), whose sum is σ = 134483246037504. Its totient is φ = 102697868011200.

The previous prime is 118121172105259. The next prime is 118121172105311. The reversal of 118121172105299 is 992501271121811.

It is a de Polignac number, because none of the positive numbers 2^k-118121172105299 is a prime.

It is a super-2 number, since 2×118121172105299² (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 (118121172105239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35198162 + ... + 38407719.

It is an arithmetic number, because the mean of its divisors is an integer number (8405202877344).

Almost surely, 2^{118121172105299} is an apocalyptic number.

118121172105299 is a deficient number, since it is larger than the sum of its proper divisors (16362073932205).

118121172105299 is a wasteful number, since it uses less digits than its factorization.

118121172105299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73612258.

The product of its (nonzero) digits is 181440, while the sum is 50.

The spelling of 118121172105299 in words is "one hundred eighteen trillion, one hundred twenty-one billion, one hundred seventy-two million, one hundred five thousand, two hundred ninety-nine".