115894187025 has 48 divisors (see below), whose sum is σ = 196861667904. Its totient is φ = 60117914880.

The previous prime is 115894186999. The next prime is 115894187029. The reversal of 115894187025 is 520781498511.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-115894187025 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115894187029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10086934 + ... + 10098416.

It is an arithmetic number, because the mean of its divisors is an integer number (4101284748).

Almost surely, 2^115894187025 is an apocalyptic number.

115894187025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115894187025 is a deficient number, since it is larger than the sum of its proper divisors (80967480879).

115894187025 is a wasteful number, since it uses less digits than its factorization.

115894187025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170 (or 15165 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 51.

The spelling of 115894187025 in words is "one hundred fifteen billion, eight hundred ninety-four million, one hundred eighty-seven thousand, twenty-five".