118132778331 has 12 divisors (see below), whose sum is σ = 179617090120. Its totient is φ = 74610175680.

The previous prime is 118132778329. The next prime is 118132778443. The reversal of 118132778331 is 133877231811.

118132778331 is a `hidden beast` number, since 118 + 132 + 7 + 78 + 331 = 666.

It is not a de Polignac number, because 118132778331 - 2¹ = 118132778329 is a prime.

It is a super-2 number, since 2×118132778331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118132770331) 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 11 ways as a sum of consecutive naturals, for example, 345417310 + ... + 345417651.

Almost surely, 2^118132778331 is an apocalyptic number.

118132778331 is a deficient number, since it is larger than the sum of its proper divisors (61484311789).

118132778331 is a wasteful number, since it uses less digits than its factorization.

118132778331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690834986 (or 690834983 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The spelling of 118132778331 in words is "one hundred eighteen billion, one hundred thirty-two million, seven hundred seventy-eight thousand, three hundred thirty-one".