117107048081 has 4 divisors (see below), whose sum is σ = 118422857700. Its totient is φ = 115791238464.

The previous prime is 117107048077. The next prime is 117107048129. The reversal of 117107048081 is 180840701711.

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 22427758081 + 94679290000 = 149759^2 + 307700^2 .

It is a cyclic number.

It is not a de Polignac number, because 117107048081 - 2² = 117107048077 is a prime.

It is a super-2 number, since 2×117107048081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117107048281) 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, 657904676 + ... + 657904853.

It is an arithmetic number, because the mean of its divisors is an integer number (29605714425).

Almost surely, 2^117107048081 is an apocalyptic number.

It is an amenable number.

117107048081 is a deficient number, since it is larger than the sum of its proper divisors (1315809619).

117107048081 is an equidigital number, since it uses as much as digits as its factorization.

117107048081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315809618.

The product of its (nonzero) digits is 12544, while the sum is 38.

Adding to 117107048081 its reverse (180840701711), we get a palindrome (297947749792).

The spelling of 117107048081 in words is "one hundred seventeen billion, one hundred seven million, forty-eight thousand, eighty-one".