117513452165 has 16 divisors (see below), whose sum is σ = 148479294720. Its totient is φ = 89038077120.

The previous prime is 117513452159. The next prime is 117513452197. The reversal of 117513452165 is 561254315711.

It is a happy number.

It is not a de Polignac number, because 117513452165 - 2¹⁸ = 117513190021 is a prime.

It is a super-2 number, since 2×117513452165² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175460 + ... + 515570.

It is an arithmetic number, because the mean of its divisors is an integer number (9279955920).

Almost surely, 2^117513452165 is an apocalyptic number.

It is an amenable number.

117513452165 is a deficient number, since it is larger than the sum of its proper divisors (30965842555).

117513452165 is a wasteful number, since it uses less digits than its factorization.

117513452165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343772.

The product of its digits is 126000, while the sum is 41.

Adding to 117513452165 its reverse (561254315711), we get a palindrome (678767767876).

The spelling of 117513452165 in words is "one hundred seventeen billion, five hundred thirteen million, four hundred fifty-two thousand, one hundred sixty-five".