7118387717845 has 64 divisors (see below), whose sum is σ = 9294689378304. Its totient is φ = 5212610887680.

The previous prime is 7118387717747. The next prime is 7118387717867. The reversal of 7118387717845 is 5487177838117.

It is not a de Polignac number, because 7118387717845 - 2¹⁹ = 7118387193557 is a prime.

It is a super-3 number, since 3×7118387717845³ (a number of 40 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 897309499 + ... + 897317431.

It is an arithmetic number, because the mean of its divisors is an integer number (145229521536).

Almost surely, 2^{7118387717845} is an apocalyptic number.

It is an amenable number.

7118387717845 is a deficient number, since it is larger than the sum of its proper divisors (2176301660459).

7118387717845 is a wasteful number, since it uses less digits than its factorization.

7118387717845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022.

The product of its digits is 73758720, while the sum is 67.

The spelling of 7118387717845 in words is "seven trillion, one hundred eighteen billion, three hundred eighty-seven million, seven hundred seventeen thousand, eight hundred forty-five".