118001738881 has 8 divisors (see below), whose sum is σ = 127389507560. Its totient is φ = 108658357632.

The previous prime is 118001738867. The next prime is 118001738989. The reversal of 118001738881 is 188837100811.

It can be written as a sum of positive squares in 4 ways, for example, as 27590871025 + 90410867856 = 166105^2 + 300684^2 .

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 118001738881 - 2⁵ = 118001738849 is a prime.

It is a super-2 number, since 2×118001738881² (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 (118001738821) 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 in 7 ways as a sum of consecutive naturals, for example, 11091330 + ... + 11101963.

It is an arithmetic number, because the mean of its divisors is an integer number (15923688445).

Almost surely, 2^118001738881 is an apocalyptic number.

It is an amenable number.

118001738881 is a deficient number, since it is larger than the sum of its proper divisors (9387768679).

118001738881 is a wasteful number, since it uses less digits than its factorization.

118001738881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193715.

The product of its (nonzero) digits is 86016, while the sum is 46.

The spelling of 118001738881 in words is "one hundred eighteen billion, one million, seven hundred thirty-eight thousand, eight hundred eighty-one".