118018801 has 4 divisors (see below), whose sum is σ = 118040692. Its totient is φ = 117996912.

The previous prime is 118018799. The next prime is 118018807. The reversal of 118018801 is 108810811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108810811 = 1453 ⋅74887.

It can be written as a sum of positive squares in 2 ways, for example, as 72658576 + 45360225 = 8524^2 + 6735^2 .

It is a cyclic number.

It is not a de Polignac number, because 118018801 - 2¹ = 118018799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118018801.

It is not an unprimeable number, because it can be changed into a prime (118018807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475 + ... + 15751.

It is an arithmetic number, because the mean of its divisors is an integer number (29510173).

Almost surely, 2^118018801 is an apocalyptic number.

It is an amenable number.

118018801 is a deficient number, since it is larger than the sum of its proper divisors (21891).

118018801 is an equidigital number, since it uses as much as digits as its factorization.

118018801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21890.

The product of its (nonzero) digits is 512, while the sum is 28.

The square root of 118018801 is about 10863.6458429019. The cubic root of 118018801 is about 490.5128616068.

It can be divided in two parts, 11801 and 8801, that added together give a palindrome (20602).

The spelling of 118018801 in words is "one hundred eighteen million, eighteen thousand, eight hundred one".