115500135143025 has 96 divisors (see below), whose sum is σ = 215723372284800. Its totient is φ = 60574010112000.

The previous prime is 115500135143017. The next prime is 115500135143087. The reversal of 115500135143025 is 520341531005511.

115500135143025 is a `hidden beast` number, since 1 + 1 + 5 + 500 + 1 + 3 + 5 + 143 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 115500135143025 - 2³ = 115500135143017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23488825 + ... + 27977225.

It is an arithmetic number, because the mean of its divisors is an integer number (2247118461300).

Almost surely, 2^{115500135143025} is an apocalyptic number.

115500135143025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115500135143025 is a deficient number, since it is larger than the sum of its proper divisors (100223237141775).

115500135143025 is a wasteful number, since it uses less digits than its factorization.

115500135143025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489056 (or 4489045 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 115500135143025 its reverse (520341531005511), we get a palindrome (635841666148536).

The spelling of 115500135143025 in words is "one hundred fifteen trillion, five hundred billion, one hundred thirty-five million, one hundred forty-three thousand, twenty-five".