115143487284 has 96 divisors (see below), whose sum is σ = 314248273920. Its totient is φ = 32132400768.

The previous prime is 115143487267. The next prime is 115143487289. The reversal of 115143487284 is 482784341511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115143487289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934807 + ... + 1050785.

It is an arithmetic number, because the mean of its divisors is an integer number (3273419520).

Almost surely, 2^115143487284 is an apocalyptic number.

115143487284 is a gapful number since it is divisible by the number (14) 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 115143487284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157124136960).

115143487284 is an abundant number, since it is smaller than the sum of its proper divisors (199104786636).

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

115143487284 is a wasteful number, since it uses less digits than its factorization.

115143487284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116269 (or 116267 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The spelling of 115143487284 in words is "one hundred fifteen billion, one hundred forty-three million, four hundred eighty-seven thousand, two hundred eighty-four".