115398168732 has 864 divisors, whose sum is σ = 420669849600. Its totient is φ = 26225337600.

The previous prime is 115398168689. The next prime is 115398168737. The reversal of 115398168732 is 237861893511.

115398168732 is a `hidden beast` number, since 11 + 539 + 8 + 1 + 68 + 7 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115398168737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 262865769 + ... + 262866207.

It is an arithmetic number, because the mean of its divisors is an integer number (486886400).

Almost surely, 2^115398168732 is an apocalyptic number.

115398168732 is a gapful number since it is divisible by the number (12) 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 115398168732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210334924800).

115398168732 is an abundant number, since it is smaller than the sum of its proper divisors (305271680868).

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

115398168732 is a wasteful number, since it uses less digits than its factorization.

115398168732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 535 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 115398168732 in words is "one hundred fifteen billion, three hundred ninety-eight million, one hundred sixty-eight thousand, seven hundred thirty-two".