117067178945 has 4 divisors (see below), whose sum is σ = 140480614740. Its totient is φ = 93653743152.

The previous prime is 117067178939. The next prime is 117067178947. The reversal of 117067178945 is 549871760711.

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 50779467649 + 66287711296 = 225343^2 + 257464^2 .

It is a cyclic number.

It is not a de Polignac number, because 117067178945 - 2¹⁰ = 117067177921 is a prime.

It is a super-2 number, since 2×117067178945² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117067178947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11706717890 + ... + 11706717899.

It is an arithmetic number, because the mean of its divisors is an integer number (35120153685).

Almost surely, 2^117067178945 is an apocalyptic number.

It is an amenable number.

117067178945 is a deficient number, since it is larger than the sum of its proper divisors (23413435795).

117067178945 is an equidigital number, since it uses as much as digits as its factorization.

117067178945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23413435794.

The product of its (nonzero) digits is 2963520, while the sum is 56.

The spelling of 117067178945 in words is "one hundred seventeen billion, sixty-seven million, one hundred seventy-eight thousand, nine hundred forty-five".