115421345200 has 240 divisors, whose sum is σ = 332515225600. Its totient is φ = 37666944000.

The previous prime is 115421345197. The next prime is 115421345219. The reversal of 115421345200 is 2543124511.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5283901 + ... + 5305699.

Almost surely, 2^115421345200 is an apocalyptic number.

115421345200 is a gapful number since it is divisible by the number (10) 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 115421345200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166257612800).

115421345200 is an abundant number, since it is smaller than the sum of its proper divisors (217093880400).

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

115421345200 is a wasteful number, since it uses less digits than its factorization.

115421345200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21916 (or 21905 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 115421345200 its reverse (2543124511), we get a palindrome (117964469711).

The spelling of 115421345200 in words is "one hundred fifteen billion, four hundred twenty-one million, three hundred forty-five thousand, two hundred".