117725508289 has 2 divisors, whose sum is σ = 117725508290. Its totient is φ = 117725508288.

The previous prime is 117725508259. The next prime is 117725508343. The reversal of 117725508289 is 982805527711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76733432064 + 40992076225 = 277008^2 + 202465^2 .

It is a cyclic number.

It is not a de Polignac number, because 117725508289 - 2¹³ = 117725500097 is a prime.

It is not a weakly prime, because it can be changed into another prime (117725508259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58862754144 + 58862754145.

It is an arithmetic number, because the mean of its divisors is an integer number (58862754145).

Almost surely, 2^117725508289 is an apocalyptic number.

It is an amenable number.

117725508289 is a deficient number, since it is larger than the sum of its proper divisors (1).

117725508289 is an equidigital number, since it uses as much as digits as its factorization.

117725508289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 55.

The spelling of 117725508289 in words is "one hundred seventeen billion, seven hundred twenty-five million, five hundred eight thousand, two hundred eighty-nine".