117214824845 has 4 divisors (see below), whose sum is σ = 140657789820. Its totient is φ = 93771859872.

The previous prime is 117214824823. The next prime is 117214824887. The reversal of 117214824845 is 548428412711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22361912521 + 94852912324 = 149539^2 + 307982^2 .

It is a cyclic number.

It is not a de Polignac number, because 117214824845 - 2³² = 112919857549 is a prime.

It is a super-3 number, since 3×117214824845³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117214824845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11721482480 + ... + 11721482489.

It is an arithmetic number, because the mean of its divisors is an integer number (35164447455).

Almost surely, 2^117214824845 is an apocalyptic number.

It is an amenable number.

117214824845 is a deficient number, since it is larger than the sum of its proper divisors (23442964975).

117214824845 is an equidigital number, since it uses as much as digits as its factorization.

117214824845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23442964974.

The product of its digits is 573440, while the sum is 47.

The spelling of 117214824845 in words is "one hundred seventeen billion, two hundred fourteen million, eight hundred twenty-four thousand, eight hundred forty-five".