117548815 has 16 divisors (see below), whose sum is σ = 146179008. Its totient is φ = 90671616.

The previous prime is 117548777. The next prime is 117548911. The reversal of 117548815 is 518845711.

It is a cyclic number.

It is not a de Polignac number, because 117548815 - 2²¹ = 115451663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18094 + ... + 23716.

It is an arithmetic number, because the mean of its divisors is an integer number (9136188).

Almost surely, 2^117548815 is an apocalyptic number.

117548815 is a deficient number, since it is larger than the sum of its proper divisors (28630193).

117548815 is a wasteful number, since it uses less digits than its factorization.

117548815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778.

The product of its digits is 44800, while the sum is 40.

The square root of 117548815 is about 10841.9931285719. The cubic root of 117548815 is about 489.8608726208.

The spelling of 117548815 in words is "one hundred seventeen million, five hundred forty-eight thousand, eight hundred fifteen".