115720266365625 has 48 divisors (see below), whose sum is σ = 196123492918080. Its totient is φ = 60671416200000.

The previous prime is 115720266365609. The next prime is 115720266365651. The reversal of 115720266365625 is 526563662027511.

It is a happy number.

It is not a de Polignac number, because 115720266365625 - 2⁴ = 115720266365609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104052766 + ... + 105159015.

It is an arithmetic number, because the mean of its divisors is an integer number (4085906102460).

Almost surely, 2^{115720266365625} is an apocalyptic number.

115720266365625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115720266365625 is a deficient number, since it is larger than the sum of its proper divisors (80403226552455).

115720266365625 is an frugal number, since it uses more digits than its factorization.

115720266365625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209211868 (or 209211848 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 57.

The spelling of 115720266365625 in words is "one hundred fifteen trillion, seven hundred twenty billion, two hundred sixty-six million, three hundred sixty-five thousand, six hundred twenty-five".