118315208867157 has 24 divisors (see below), whose sum is σ = 175527702576096. Its totient is φ = 76741045720416.

The previous prime is 118315208867153. The next prime is 118315208867159. The reversal of 118315208867157 is 751768802513811.

118315208867157 is a `hidden beast` number, since 1 + 1 + 8 + 31 + 520 + 8 + 8 + 6 + 71 + 5 + 7 = 666.

It is not a de Polignac number, because 118315208867157 - 2² = 118315208867153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118315208867094 and 118315208867103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118315208867153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2675323 + ... + 15613704.

It is an arithmetic number, because the mean of its divisors is an integer number (7313654274004).

Almost surely, 2^{118315208867157} is an apocalyptic number.

It is an amenable number.

118315208867157 is a deficient number, since it is larger than the sum of its proper divisors (57212493708939).

118315208867157 is a wasteful number, since it uses less digits than its factorization.

118315208867157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18308497 (or 18308494 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 63.

The spelling of 118315208867157 in words is "one hundred eighteen trillion, three hundred fifteen billion, two hundred eight million, eight hundred sixty-seven thousand, one hundred fifty-seven".