118118742193 has 2 divisors, whose sum is σ = 118118742194. Its totient is φ = 118118742192.

The previous prime is 118118742187. The next prime is 118118742229. The reversal of 118118742193 is 391247811811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88680075264 + 29438666929 = 297792^2 + 171577^2 .

It is a cyclic number.

It is not a de Polignac number, because 118118742193 - 2¹³ = 118118734001 is a prime.

It is not a weakly prime, because it can be changed into another prime (118118742493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59059371096 + 59059371097.

It is an arithmetic number, because the mean of its divisors is an integer number (59059371097).

Almost surely, 2^118118742193 is an apocalyptic number.

It is an amenable number.

118118742193 is a deficient number, since it is larger than the sum of its proper divisors (1).

118118742193 is an equidigital number, since it uses as much as digits as its factorization.

118118742193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 46.

The spelling of 118118742193 in words is "one hundred eighteen billion, one hundred eighteen million, seven hundred forty-two thousand, one hundred ninety-three".