115045242505245 has 96 divisors (see below), whose sum is σ = 215081260858464. Its totient is φ = 56550655180800.

The previous prime is 115045242505231. The next prime is 115045242505289. The reversal of 115045242505245 is 542505242540511.

115045242505245 is a `hidden beast` number, since 1 + 1 + 50 + 4 + 5 + 24 + 2 + 50 + 524 + 5 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 18201162103524 + 96844080401721 = 4266282^2 + 9840939^2 .

It is not a de Polignac number, because 115045242505245 - 2⁷ = 115045242505117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 115045242505245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1002244755 + ... + 1002359535.

It is an arithmetic number, because the mean of its divisors is an integer number (2240429800609).

Almost surely, 2^{115045242505245} is an apocalyptic number.

115045242505245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115045242505245 is a deficient number, since it is larger than the sum of its proper divisors (100036018353219).

115045242505245 is a wasteful number, since it uses less digits than its factorization.

115045242505245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117423 (or 117420 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 45.

The spelling of 115045242505245 in words is "one hundred fifteen trillion, forty-five billion, two hundred forty-two million, five hundred five thousand, two hundred forty-five".