118601868281 has 8 divisors (see below), whose sum is σ = 129041843784. Its totient is φ = 108350000640.

The previous prime is 118601868277. The next prime is 118601868311. The reversal of 118601868281 is 182868106811.

It can be written as a sum of positive squares in 4 ways, for example, as 28724826256 + 89877042025 = 169484^2 + 299795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118601868281 - 2² = 118601868277 is a prime.

It is a super-2 number, since 2×118601868281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118601868221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47025650 + ... + 47028171.

It is an arithmetic number, because the mean of its divisors is an integer number (16130230473).

Almost surely, 2^118601868281 is an apocalyptic number.

It is an amenable number.

118601868281 is a deficient number, since it is larger than the sum of its proper divisors (10439975503).

118601868281 is an equidigital number, since it uses as much as digits as its factorization.

118601868281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94053931.

The product of its (nonzero) digits is 294912, while the sum is 50.

The spelling of 118601868281 in words is "one hundred eighteen billion, six hundred one million, eight hundred sixty-eight thousand, two hundred eighty-one".