115205124432 has 20 divisors (see below), whose sum is σ = 297613238240. Its totient is φ = 38401708128.

The previous prime is 115205124431. The next prime is 115205124439. The reversal of 115205124432 is 234421502511.

It is a self number, because there is not a number n which added to its sum of digits gives 115205124432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115205124431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200053332 + ... + 1200053427.

It is an arithmetic number, because the mean of its divisors is an integer number (14880661912).

Almost surely, 2^115205124432 is an apocalyptic number.

115205124432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115205124432 is an abundant number, since it is smaller than the sum of its proper divisors (182408113808).

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

115205124432 is a wasteful number, since it uses less digits than its factorization.

115205124432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400106770 (or 2400106764 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 115205124432 its reverse (234421502511), we get a palindrome (349626626943).

The spelling of 115205124432 in words is "one hundred fifteen billion, two hundred five million, one hundred twenty-four thousand, four hundred thirty-two".