117434534081 has 2 divisors, whose sum is σ = 117434534082. Its totient is φ = 117434534080.

The previous prime is 117434534053. The next prime is 117434534159. The reversal of 117434534081 is 180435434711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90651575056 + 26782959025 = 301084^2 + 163655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117434534081 is a prime.

It is a super-2 number, since 2×117434534081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117434534051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58717267040 + 58717267041.

It is an arithmetic number, because the mean of its divisors is an integer number (58717267041).

Almost surely, 2^117434534081 is an apocalyptic number.

It is an amenable number.

117434534081 is a deficient number, since it is larger than the sum of its proper divisors (1).

117434534081 is an equidigital number, since it uses as much as digits as its factorization.

117434534081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

Adding to 117434534081 its reverse (180435434711), we get a palindrome (297869968792).

The spelling of 117434534081 in words is "one hundred seventeen billion, four hundred thirty-four million, five hundred thirty-four thousand, eighty-one".