118173000109 has 2 divisors, whose sum is σ = 118173000110. Its totient is φ = 118173000108.

The previous prime is 118173000103. The next prime is 118173000139. The reversal of 118173000109 is 901000371811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91553446084 + 26619554025 = 302578^2 + 163155^2 .

It is a cyclic number.

It is not a de Polignac number, because 118173000109 - 2¹¹ = 118172998061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118173000103) 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 as a sum of consecutive naturals, namely, 59086500054 + 59086500055.

It is an arithmetic number, because the mean of its divisors is an integer number (59086500055).

Almost surely, 2^118173000109 is an apocalyptic number.

It is an amenable number.

118173000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

118173000109 is an equidigital number, since it uses as much as digits as its factorization.

118173000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 118173000109 in words is "one hundred eighteen billion, one hundred seventy-three million, one hundred nine", and thus it is an aban number.