118835942399 has 4 divisors (see below), whose sum is σ = 122047724664. Its totient is φ = 115624160136.

The previous prime is 118835942371. The next prime is 118835942497. The reversal of 118835942399 is 993249538811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993249538811 = 23 ⋅43184762557.

It is a cyclic number.

It is not a de Polignac number, because 118835942399 - 2²⁴ = 118819165183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118835942699) 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, 1605891077 + ... + 1605891150.

It is an arithmetic number, because the mean of its divisors is an integer number (30511931166).

Almost surely, 2^118835942399 is an apocalyptic number.

118835942399 is a deficient number, since it is larger than the sum of its proper divisors (3211782265).

118835942399 is an equidigital number, since it uses as much as digits as its factorization.

118835942399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211782264.

The product of its digits is 16796160, while the sum is 62.

The spelling of 118835942399 in words is "one hundred eighteen billion, eight hundred thirty-five million, nine hundred forty-two thousand, three hundred ninety-nine".