117816895057 has 2 divisors, whose sum is σ = 117816895058. Its totient is φ = 117816895056.

The previous prime is 117816895019. The next prime is 117816895061. The reversal of 117816895057 is 750598618711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116990677521 + 826217536 = 342039^2 + 28744^2 .

It is an emirp because it is prime and its reverse (750598618711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117816895057 - 2¹¹ = 117816893009 is a prime.

It is a super-3 number, since 3×117816895057³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117816894992 and 117816895010.

It is not a weakly prime, because it can be changed into another prime (117816895067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58908447528 + 58908447529.

It is an arithmetic number, because the mean of its divisors is an integer number (58908447529).

Almost surely, 2^117816895057 is an apocalyptic number.

It is an amenable number.

117816895057 is a deficient number, since it is larger than the sum of its proper divisors (1).

117816895057 is an equidigital number, since it uses as much as digits as its factorization.

117816895057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 58.

The spelling of 117816895057 in words is "one hundred seventeen billion, eight hundred sixteen million, eight hundred ninety-five thousand, fifty-seven".