118516984869 has 4 divisors (see below), whose sum is σ = 158022646496. Its totient is φ = 79011323244.

The previous prime is 118516984841. The next prime is 118516984871. The reversal of 118516984869 is 968489615811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 118516984869 - 2¹⁵ = 118516952101 is a prime.

It is a super-4 number, since 4×118516984869⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118516984819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19752830809 + ... + 19752830814.

It is an arithmetic number, because the mean of its divisors is an integer number (39505661624).

Almost surely, 2^118516984869 is an apocalyptic number.

It is an amenable number.

118516984869 is a deficient number, since it is larger than the sum of its proper divisors (39505661627).

118516984869 is an equidigital number, since it uses as much as digits as its factorization.

118516984869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39505661626.

The product of its digits is 29859840, while the sum is 66.

The spelling of 118516984869 in words is "one hundred eighteen billion, five hundred sixteen million, nine hundred eighty-four thousand, eight hundred sixty-nine".