115521552300 has 648 divisors, whose sum is σ = 447884458560. Its totient is φ = 22729593600.

The previous prime is 115521552299. The next prime is 115521552331. The reversal of 115521552300 is 3255125511.

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

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 58372711 + ... + 58374689.

It is an arithmetic number, because the mean of its divisors is an integer number (691179720).

Almost surely, 2^115521552300 is an apocalyptic number.

115521552300 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 115521552300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223942229280).

115521552300 is an abundant number, since it is smaller than the sum of its proper divisors (332362906260).

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

115521552300 is a wasteful number, since it uses less digits than its factorization.

115521552300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 115521552300 its reverse (3255125511), we get a palindrome (118776677811).

The spelling of 115521552300 in words is "one hundred fifteen billion, five hundred twenty-one million, five hundred fifty-two thousand, three hundred".