115840294120909 has 8 divisors (see below), whose sum is σ = 126141881076000. Its totient is φ = 105959180102832.

The previous prime is 115840294120843. The next prime is 115840294120949. The reversal of 115840294120909 is 909021492048511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115840294120909 - 2³¹ = 115838146637261 is a prime.

It is a super-2 number, since 2×115840294120909² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115840294120909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115840294120949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105118233679 + ... + 105118234780.

It is an arithmetic number, because the mean of its divisors is an integer number (15767735134500).

Almost surely, 2^{115840294120909} is an apocalyptic number.

115840294120909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

115840294120909 is a deficient number, since it is larger than the sum of its proper divisors (10301586955091).

115840294120909 is a wasteful number, since it uses less digits than its factorization.

115840294120909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210236468507.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 115840294120909 in words is "one hundred fifteen trillion, eight hundred forty billion, two hundred ninety-four million, one hundred twenty thousand, nine hundred nine".