118241836549 has 2 divisors, whose sum is σ = 118241836550. Its totient is φ = 118241836548.

The previous prime is 118241836513. The next prime is 118241836571. The reversal of 118241836549 is 945638142811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118016296225 + 225540324 = 343535^2 + 15018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118241836549 is a prime.

It is a super-2 number, since 2×118241836549² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118241836496 and 118241836505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118241836249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59120918274 + 59120918275.

It is an arithmetic number, because the mean of its divisors is an integer number (59120918275).

Almost surely, 2^118241836549 is an apocalyptic number.

It is an amenable number.

118241836549 is a deficient number, since it is larger than the sum of its proper divisors (1).

118241836549 is an equidigital number, since it uses as much as digits as its factorization.

118241836549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 52.

The spelling of 118241836549 in words is "one hundred eighteen billion, two hundred forty-one million, eight hundred thirty-six thousand, five hundred forty-nine".