115631828488 has 64 divisors (see below), whose sum is σ = 250991784000. Its totient is φ = 49357701120.

The previous prime is 115631828483. The next prime is 115631828491. The reversal of 115631828488 is 884828136511.

It is a super-2 number, since 2×115631828488² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (115631828483) 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 15 ways as a sum of consecutive naturals, for example, 585631 + ... + 757777.

It is an arithmetic number, because the mean of its divisors is an integer number (3921746625).

Almost surely, 2^115631828488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115631828488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125495892000).

115631828488 is an abundant number, since it is smaller than the sum of its proper divisors (135359955512).

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

115631828488 is a wasteful number, since it uses less digits than its factorization.

115631828488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172630 (or 172626 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 55.

The spelling of 115631828488 in words is "one hundred fifteen billion, six hundred thirty-one million, eight hundred twenty-eight thousand, four hundred eighty-eight".