118266323737109 has 2 divisors, whose sum is σ = 118266323737110. Its totient is φ = 118266323737108.

The previous prime is 118266323737103. The next prime is 118266323737123. The reversal of 118266323737109 is 901737323662811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66672989614609 + 51593334122500 = 8165353^2 + 7182850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118266323737109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118266323737103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59133161868554 + 59133161868555.

It is an arithmetic number, because the mean of its divisors is an integer number (59133161868555).

Almost surely, 2^{118266323737109} is an apocalyptic number.

It is an amenable number.

118266323737109 is a deficient number, since it is larger than the sum of its proper divisors (1).

118266323737109 is an equidigital number, since it uses as much as digits as its factorization.

118266323737109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 118266323737109 in words is "one hundred eighteen trillion, two hundred sixty-six billion, three hundred twenty-three million, seven hundred thirty-seven thousand, one hundred nine".