115168624209 has 6 divisors (see below), whose sum is σ = 166354679426. Its totient is φ = 76779082800.

The previous prime is 115168624189. The next prime is 115168624211. The reversal of 115168624209 is 902426861511.

115168624209 is a `hidden beast` number, since 1 + 1 + 5 + 16 + 8 + 624 + 2 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 114443507025 + 725117184 = 338295^2 + 26928^2 .

It is not a de Polignac number, because 115168624209 - 2²¹ = 115166527057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115168624409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6398256892 + ... + 6398256909.

Almost surely, 2^115168624209 is an apocalyptic number.

It is an amenable number.

115168624209 is a deficient number, since it is larger than the sum of its proper divisors (51186055217).

115168624209 is a wasteful number, since it uses less digits than its factorization.

115168624209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12796513807 (or 12796513804 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 115168624209 in words is "one hundred fifteen billion, one hundred sixty-eight million, six hundred twenty-four thousand, two hundred nine".