118770735161 has 16 divisors (see below), whose sum is σ = 141319188864. Its totient is φ = 98699107584.

The previous prime is 118770735157. The next prime is 118770735199. The reversal of 118770735161 is 161537077811.

It is a cyclic number.

It is not a de Polignac number, because 118770735161 - 2² = 118770735157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118770734161) 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 15 ways as a sum of consecutive naturals, for example, 11678051 + ... + 11688216.

It is an arithmetic number, because the mean of its divisors is an integer number (8832449304).

Almost surely, 2^118770735161 is an apocalyptic number.

It is an amenable number.

118770735161 is a deficient number, since it is larger than the sum of its proper divisors (22548453703).

118770735161 is a wasteful number, since it uses less digits than its factorization.

118770735161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23366320.

The product of its (nonzero) digits is 246960, while the sum is 47.

The spelling of 118770735161 in words is "one hundred eighteen billion, seven hundred seventy million, seven hundred thirty-five thousand, one hundred sixty-one".