117806212108265 has 16 divisors (see below), whose sum is σ = 144665289964800. Its totient is φ = 92046722433792.

The previous prime is 117806212108261. The next prime is 117806212108309. The reversal of 117806212108265 is 562801212608711.

It is a cyclic number.

It is not a de Polignac number, because 117806212108265 - 2² = 117806212108261 is a prime.

It is a super-2 number, since 2×117806212108265² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117806212108261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16305200 + ... + 22393569.

It is an arithmetic number, because the mean of its divisors is an integer number (9041580622800).

Almost surely, 2^{117806212108265} is an apocalyptic number.

It is an amenable number.

117806212108265 is a deficient number, since it is larger than the sum of its proper divisors (26859077856535).

117806212108265 is a wasteful number, since it uses less digits than its factorization.

117806212108265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38712976.

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 117806212108265 in words is "one hundred seventeen trillion, eight hundred six billion, two hundred twelve million, one hundred eight thousand, two hundred sixty-five".