115971012544 has 28 divisors (see below), whose sum is σ = 235026366624. Its totient is φ = 56751770624.

The previous prime is 115971012523. The next prime is 115971012569. The reversal of 115971012544 is 445210179511.

115971012544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 115971012497 and 115971012506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19274089 + ... + 19280104.

It is an arithmetic number, because the mean of its divisors is an integer number (8393798808).

Almost surely, 2^115971012544 is an apocalyptic number.

It is an amenable number.

115971012544 is an abundant number, since it is smaller than the sum of its proper divisors (119055354080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115971012544 is an equidigital number, since it uses as much as digits as its factorization.

115971012544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38554252 (or 38554242 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 115971012544 in words is "one hundred fifteen billion, nine hundred seventy-one million, twelve thousand, five hundred forty-four".