118538213349 has 16 divisors (see below), whose sum is σ = 164939478912. Its totient is φ = 75581909568.

The previous prime is 118538213347. The next prime is 118538213357. The reversal of 118538213349 is 943312835811.

It is not a de Polignac number, because 118538213349 - 2¹ = 118538213347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118538213298 and 118538213307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118538213347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640927 + ... + 804899.

It is an arithmetic number, because the mean of its divisors is an integer number (10308717432).

Almost surely, 2^118538213349 is an apocalyptic number.

It is an amenable number.

118538213349 is a deficient number, since it is larger than the sum of its proper divisors (46401265563).

118538213349 is a wasteful number, since it uses less digits than its factorization.

118538213349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174476.

The product of its digits is 622080, while the sum is 48.

The spelling of 118538213349 in words is "one hundred eighteen billion, five hundred thirty-eight million, two hundred thirteen thousand, three hundred forty-nine".