117147168145 has 32 divisors (see below), whose sum is σ = 161942976000. Its totient is φ = 79688864256.

The previous prime is 117147168143. The next prime is 117147168161. The reversal of 117147168145 is 541861741711.

It is a cyclic number.

It is not a de Polignac number, because 117147168145 - 2¹ = 117147168143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117147168095 and 117147168104.

It is not an unprimeable number, because it can be changed into a prime (117147168143) 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 31 ways as a sum of consecutive naturals, for example, 4205052 + ... + 4232818.

It is an arithmetic number, because the mean of its divisors is an integer number (5060718000).

Almost surely, 2^117147168145 is an apocalyptic number.

It is an amenable number.

117147168145 is a deficient number, since it is larger than the sum of its proper divisors (44795807855).

117147168145 is a wasteful number, since it uses less digits than its factorization.

117147168145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28737.

The product of its digits is 188160, while the sum is 46.

The spelling of 117147168145 in words is "one hundred seventeen billion, one hundred forty-seven million, one hundred sixty-eight thousand, one hundred forty-five".