115532223520 has 384 divisors, whose sum is σ = 334430208000. Its totient is φ = 37650816000.

The previous prime is 115532223503. The next prime is 115532223529. The reversal of 115532223520 is 25322235511.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (115532223529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100374945 + ... + 100376095.

It is an arithmetic number, because the mean of its divisors is an integer number (870912000).

Almost surely, 2^115532223520 is an apocalyptic number.

115532223520 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 115532223520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167215104000).

115532223520 is an abundant number, since it is smaller than the sum of its proper divisors (218897984480).

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

115532223520 is a wasteful number, since it uses less digits than its factorization.

115532223520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 115532223520 in words is "one hundred fifteen billion, five hundred thirty-two million, two hundred twenty-three thousand, five hundred twenty".