118548603805 has 4 divisors (see below), whose sum is σ = 142258324572. Its totient is φ = 94838883040.

The previous prime is 118548603799. The next prime is 118548603809. The reversal of 118548603805 is 508306845811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508306845811 = 193 ⋅2633714227.

It can be written as a sum of positive squares in 2 ways, for example, as 85840796196 + 32707807609 = 292986^2 + 180853^2 .

It is not a de Polignac number, because 118548603805 - 2⁹ = 118548603293 is a prime.

It is a super-2 number, since 2×118548603805² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118548603809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11854860376 + ... + 11854860385.

It is an arithmetic number, because the mean of its divisors is an integer number (35564581143).

Almost surely, 2^118548603805 is an apocalyptic number.

It is an amenable number.

118548603805 is a deficient number, since it is larger than the sum of its proper divisors (23709720767).

118548603805 is an equidigital number, since it uses as much as digits as its factorization.

118548603805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23709720766.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 118548603805 in words is "one hundred eighteen billion, five hundred forty-eight million, six hundred three thousand, eight hundred five".