115496663985 has 24 divisors (see below), whose sum is σ = 200220820800. Its totient is φ = 61590035232.

The previous prime is 115496663981. The next prime is 115496664007. The reversal of 115496663985 is 589366694511.

It is not a de Polignac number, because 115496663985 - 2² = 115496663981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115496663981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179772 + ... + 513138.

It is an arithmetic number, because the mean of its divisors is an integer number (8342534200).

Almost surely, 2^115496663985 is an apocalyptic number.

115496663985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115496663985 is a deficient number, since it is larger than the sum of its proper divisors (84724156815).

115496663985 is a wasteful number, since it uses less digits than its factorization.

115496663985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341077 (or 341074 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The spelling of 115496663985 in words is "one hundred fifteen billion, four hundred ninety-six million, six hundred sixty-three thousand, nine hundred eighty-five".