117542840918715 has 32 divisors (see below), whose sum is σ = 215705858611200. Its totient is φ = 60667272730080.

The previous prime is 117542840918647. The next prime is 117542840918719. The reversal of 117542840918715 is 517819048245711.

It is a happy number.

117542840918715 is a `hidden beast` number, since 1 + 1 + 7 + 5 + 42 + 8 + 409 + 187 + 1 + 5 = 666.

It is not a de Polignac number, because 117542840918715 - 2¹¹ = 117542840916667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117542840918719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14043345985 + ... + 14043354354.

It is an arithmetic number, because the mean of its divisors is an integer number (6740808081600).

Almost surely, 2^{117542840918715} is an apocalyptic number.

117542840918715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117542840918715 is a deficient number, since it is larger than the sum of its proper divisors (98163017692485).

117542840918715 is a wasteful number, since it uses less digits than its factorization.

117542840918715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28086700384 (or 28086700378 counting only the distinct ones).

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

The spelling of 117542840918715 in words is "one hundred seventeen trillion, five hundred forty-two billion, eight hundred forty million, nine hundred eighteen thousand, seven hundred fifteen".