115744621856 has 96 divisors (see below), whose sum is σ = 248374304640. Its totient is φ = 52881002496.

The previous prime is 115744621843. The next prime is 115744621859. The reversal of 115744621856 is 658126447511.

It is not an unprimeable number, because it can be changed into a prime (115744621859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3891650 + ... + 3921278.

It is an arithmetic number, because the mean of its divisors is an integer number (2587232340).

Almost surely, 2^115744621856 is an apocalyptic number.

115744621856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115744621856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124187152320).

115744621856 is an abundant number, since it is smaller than the sum of its proper divisors (132629682784).

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

115744621856 is a wasteful number, since it uses less digits than its factorization.

115744621856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29866 (or 29858 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The spelling of 115744621856 in words is "one hundred fifteen billion, seven hundred forty-four million, six hundred twenty-one thousand, eight hundred fifty-six".