118859206397 has 2 divisors, whose sum is σ = 118859206398. Its totient is φ = 118859206396.

The previous prime is 118859206379. The next prime is 118859206423. The reversal of 118859206397 is 793602958811.

Together with previous prime (118859206379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64397182756 + 54462023641 = 253766^2 + 233371^2 .

It is a cyclic number.

It is not a de Polignac number, because 118859206397 - 2¹⁰ = 118859205373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118859206307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59429603198 + 59429603199.

It is an arithmetic number, because the mean of its divisors is an integer number (59429603199).

Almost surely, 2^118859206397 is an apocalyptic number.

It is an amenable number.

118859206397 is a deficient number, since it is larger than the sum of its proper divisors (1).

118859206397 is an equidigital number, since it uses as much as digits as its factorization.

118859206397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The spelling of 118859206397 in words is "one hundred eighteen billion, eight hundred fifty-nine million, two hundred six thousand, three hundred ninety-seven".