118835154512197 has 2 divisors, whose sum is σ = 118835154512198. Its totient is φ = 118835154512196.

The previous prime is 118835154512171. The next prime is 118835154512293. The reversal of 118835154512197 is 791215451538811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100269000660481 + 18566153851716 = 10013441^2 + 4308846^2 .

It is a cyclic number.

It is not a de Polignac number, because 118835154512197 - 2⁴³ = 110039061489989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118835154512297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59417577256098 + 59417577256099.

It is an arithmetic number, because the mean of its divisors is an integer number (59417577256099).

Almost surely, 2^{118835154512197} is an apocalyptic number.

It is an amenable number.

118835154512197 is a deficient number, since it is larger than the sum of its proper divisors (1).

118835154512197 is an equidigital number, since it uses as much as digits as its factorization.

118835154512197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096000, while the sum is 61.

The spelling of 118835154512197 in words is "one hundred eighteen trillion, eight hundred thirty-five billion, one hundred fifty-four million, five hundred twelve thousand, one hundred ninety-seven".