115015134125425 has 24 divisors (see below), whose sum is σ = 155089405680696. Its totient is φ = 84259099837440.

The previous prime is 115015134125389. The next prime is 115015134125471. The reversal of 115015134125425 is 524521431510511.

It can be written as a sum of positive squares in 12 ways, for example, as 5389459753441 + 109625674371984 = 2321521^2 + 10470228^2 .

It is not a de Polignac number, because 115015134125425 - 2¹⁵ = 115015134092657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3657063262 + ... + 3657094711.

It is an arithmetic number, because the mean of its divisors is an integer number (6462058570029).

Almost surely, 2^{115015134125425} is an apocalyptic number.

It is an amenable number.

115015134125425 is a deficient number, since it is larger than the sum of its proper divisors (40074271555271).

115015134125425 is a wasteful number, since it uses less digits than its factorization.

115015134125425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314158037 (or 7314158032 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 40.

Adding to 115015134125425 its reverse (524521431510511), we get a palindrome (639536565635936).

The spelling of 115015134125425 in words is "one hundred fifteen trillion, fifteen billion, one hundred thirty-four million, one hundred twenty-five thousand, four hundred twenty-five".