117266012865 has 24 divisors (see below), whose sum is σ = 203395727808. Its totient is φ = 62500446240.

The previous prime is 117266012849. The next prime is 117266012867. The reversal of 117266012865 is 568210662711.

117266012865 is a `hidden beast` number, since 1 + 17 + 2 + 6 + 601 + 28 + 6 + 5 = 666.

It is not a de Polignac number, because 117266012865 - 2⁴ = 117266012849 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 117266012865.

It is not an unprimeable number, because it can be changed into a prime (117266012867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 794319 + ... + 930308.

It is an arithmetic number, because the mean of its divisors is an integer number (8474821992).

Almost surely, 2^117266012865 is an apocalyptic number.

117266012865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117266012865 is a deficient number, since it is larger than the sum of its proper divisors (86129714943).

117266012865 is a wasteful number, since it uses less digits than its factorization.

117266012865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726149 (or 1726146 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 117266012865 in words is "one hundred seventeen billion, two hundred sixty-six million, twelve thousand, eight hundred sixty-five".