118636347097 has 2 divisors, whose sum is σ = 118636347098. Its totient is φ = 118636347096.

The previous prime is 118636347043. The next prime is 118636347103. The reversal of 118636347097 is 790743636811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67338174016 + 51298173081 = 259496^2 + 226491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118636347097 is a prime.

It is not a weakly prime, because it can be changed into another prime (118636347997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59318173548 + 59318173549.

It is an arithmetic number, because the mean of its divisors is an integer number (59318173549).

Almost surely, 2^118636347097 is an apocalyptic number.

It is an amenable number.

118636347097 is a deficient number, since it is larger than the sum of its proper divisors (1).

118636347097 is an equidigital number, since it uses as much as digits as its factorization.

118636347097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 118636347097 in words is "one hundred eighteen billion, six hundred thirty-six million, three hundred forty-seven thousand, ninety-seven".