115554031320 has 512 divisors, whose sum is σ = 456305633280. Its totient is φ = 22715596800.

The previous prime is 115554031319. The next prime is 115554031331. The reversal of 115554031320 is 23130455511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18746559 + ... + 18752721.

It is an arithmetic number, because the mean of its divisors is an integer number (891221940).

Almost surely, 2^115554031320 is an apocalyptic number.

115554031320 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 115554031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228152816640).

115554031320 is an abundant number, since it is smaller than the sum of its proper divisors (340751601960).

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

115554031320 is a wasteful number, since it uses less digits than its factorization.

115554031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315 (or 6311 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 115554031320 its reverse (23130455511), we get a palindrome (138684486831).

The spelling of 115554031320 in words is "one hundred fifteen billion, five hundred fifty-four million, thirty-one thousand, three hundred twenty".