118317487671 has 16 divisors (see below), whose sum is σ = 176446001920. Its totient is φ = 78355949400.

The previous prime is 118317487661. The next prime is 118317487733. The reversal of 118317487671 is 176784713811.

118317487671 is a `hidden beast` number, since 1 + 1 + 83 + 17 + 487 + 6 + 71 = 666.

It is not a de Polignac number, because 118317487671 - 2²¹ = 118315390519 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 (118317487661) 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, 14506285 + ... + 14514438.

It is an arithmetic number, because the mean of its divisors is an integer number (11027875120).

Almost surely, 2^118317487671 is an apocalyptic number.

118317487671 is a deficient number, since it is larger than the sum of its proper divisors (58128514249).

118317487671 is a wasteful number, since it uses less digits than its factorization.

118317487671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29020883 (or 29020877 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 54.

The spelling of 118317487671 in words is "one hundred eighteen billion, three hundred seventeen million, four hundred eighty-seven thousand, six hundred seventy-one".