115520000 has 150 divisors (see below), whose sum is σ = 304404903. Its totient is φ = 43776000.

The previous prime is 115519979. The next prime is 115520011. The reversal of 115520000 is 25511.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 26708224 + 88811776 = 5168^2 + 9424^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7600.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6079991 + ... + 6080009.

Almost surely, 2^115520000 is an apocalyptic number.

115520000 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 115520000

115520000 is an abundant number, since it is smaller than the sum of its proper divisors (188884903).

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

115520000 is an frugal number, since it uses more digits than its factorization.

115520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 115520000 is about 10748.0230740355. The cubic root of 115520000 is about 487.0262766090.

Multiplying 115520000 by its product of nonzero digits (50), we get a square (5776000000 = 76000²).

115520000 divided by its product of nonzero digits (50) gives a square (2310400 = 1520²).

Adding to 115520000 its reverse (25511), we get a palindrome (115545511).

The spelling of 115520000 in words is "one hundred fifteen million, five hundred twenty thousand".