158118868241 has 2 divisors, whose sum is σ = 158118868242. Its totient is φ = 158118868240.

The previous prime is 158118868217. The next prime is 158118868279. The reversal of 158118868241 is 142868811851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123552250000 + 34566618241 = 351500^2 + 185921^2 .

It is a cyclic number.

It is not a de Polignac number, because 158118868241 - 2³⁴ = 140938999057 is a prime.

It is not a weakly prime, because it can be changed into another prime (158118868741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79059434120 + 79059434121.

It is an arithmetic number, because the mean of its divisors is an integer number (79059434121).

Almost surely, 2^158118868241 is an apocalyptic number.

It is an amenable number.

158118868241 is a deficient number, since it is larger than the sum of its proper divisors (1).

158118868241 is an equidigital number, since it uses as much as digits as its factorization.

158118868241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 983040, while the sum is 53.

The spelling of 158118868241 in words is "one hundred fifty-eight billion, one hundred eighteen million, eight hundred sixty-eight thousand, two hundred forty-one".