115131224000 has 112 divisors (see below), whose sum is σ = 307055251776. Its totient is φ = 42509952000.

The previous prime is 115131223969. The next prime is 115131224041. The reversal of 115131224000 is 422131511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 449516 + ... + 657515.

It is an arithmetic number, because the mean of its divisors is an integer number (2741564748).

Almost surely, 2^115131224000 is an apocalyptic number.

115131224000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115131224000 is an abundant number, since it is smaller than the sum of its proper divisors (191924027776).

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

115131224000 is a wasteful number, since it uses less digits than its factorization.

115131224000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107071 (or 1107051 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 115131224000 its reverse (422131511), we get a palindrome (115553355511).

The spelling of 115131224000 in words is "one hundred fifteen billion, one hundred thirty-one million, two hundred twenty-four thousand".