118388212077 has 16 divisors (see below), whose sum is σ = 159874254080. Its totient is φ = 77914137600.

The previous prime is 118388212067. The next prime is 118388212079. The reversal of 118388212077 is 770212883811.

It is a happy number.

It is not a de Polignac number, because 118388212077 - 2¹⁵ = 118388179309 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 (118388212079) 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 15 ways as a sum of consecutive naturals, for example, 1613877 + ... + 1685637.

It is an arithmetic number, because the mean of its divisors is an integer number (9992140880).

Almost surely, 2^118388212077 is an apocalyptic number.

It is an amenable number.

118388212077 is a deficient number, since it is larger than the sum of its proper divisors (41486042003).

118388212077 is an equidigital number, since it uses as much as digits as its factorization.

118388212077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78804.

The product of its (nonzero) digits is 301056, while the sum is 48.

The spelling of 118388212077 in words is "one hundred eighteen billion, three hundred eighty-eight million, two hundred twelve thousand, seventy-seven".