118033818281 has 2 divisors, whose sum is σ = 118033818282. Its totient is φ = 118033818280.

The previous prime is 118033818223. The next prime is 118033818341. The reversal of 118033818281 is 182818330811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113919750400 + 4114067881 = 337520^2 + 64141^2 .

It is an emirp because it is prime and its reverse (182818330811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118033818281 is a prime.

It is a super-3 number, since 3×118033818281³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (118033818181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59016909140 + 59016909141.

It is an arithmetic number, because the mean of its divisors is an integer number (59016909141).

Almost surely, 2^118033818281 is an apocalyptic number.

It is an amenable number.

118033818281 is a deficient number, since it is larger than the sum of its proper divisors (1).

118033818281 is an equidigital number, since it uses as much as digits as its factorization.

118033818281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 44.

The spelling of 118033818281 in words is "one hundred eighteen billion, thirty-three million, eight hundred eighteen thousand, two hundred eighty-one".