115134523320 has 128 divisors (see below), whose sum is σ = 360872547840. Its totient is φ = 29330864640.

The previous prime is 115134523319. The next prime is 115134523327. The reversal of 115134523320 is 23325431511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115134523327) 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, 2212642 + ... + 2264078.

It is an arithmetic number, because the mean of its divisors is an integer number (2819316780).

Almost surely, 2^115134523320 is an apocalyptic number.

115134523320 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 115134523320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180436273920).

115134523320 is an abundant number, since it is smaller than the sum of its proper divisors (245738024520).

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

115134523320 is a wasteful number, since it uses less digits than its factorization.

115134523320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52285 (or 52281 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 115134523320 its reverse (23325431511), we get a palindrome (138459954831).

The spelling of 115134523320 in words is "one hundred fifteen billion, one hundred thirty-four million, five hundred twenty-three thousand, three hundred twenty".