117536864639365 has 8 divisors (see below), whose sum is σ = 141044320537848. Its totient is φ = 94029436397760.

The previous prime is 117536864639251. The next prime is 117536864639401. The reversal of 117536864639365 is 563936468635711.

It is a Cunningham number, because it is equal to 10841442²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 42313281677956 + 75223582961409 = 6504866^2 + 8673153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117536864639365 - 2¹⁷ = 117536864508293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4002255 + ... + 15845875.

It is an arithmetic number, because the mean of its divisors is an integer number (17630540067231).

Almost surely, 2^{117536864639365} is an apocalyptic number.

It is an amenable number.

117536864639365 is a deficient number, since it is larger than the sum of its proper divisors (23507455898483).

117536864639365 is a wasteful number, since it uses less digits than its factorization.

117536864639365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828439.

The product of its digits is 1763596800, while the sum is 73.

The spelling of 117536864639365 in words is "one hundred seventeen trillion, five hundred thirty-six billion, eight hundred sixty-four million, six hundred thirty-nine thousand, three hundred sixty-five".