115500011 has 8 divisors (see below), whose sum is σ = 130345200. Its totient is φ = 101379040.

The previous prime is 115500001. The next prime is 115500029. The reversal of 115500011 is 110005511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115500011 - 2¹⁰ = 115498987 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (115500001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180716 + ... + 181353.

It is an arithmetic number, because the mean of its divisors is an integer number (16293150).

Almost surely, 2^115500011 is an apocalyptic number.

115500011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115500011 is a deficient number, since it is larger than the sum of its proper divisors (14845189).

115500011 is a wasteful number, since it uses less digits than its factorization.

115500011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362109.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 115500011 is about 10747.0931418686. The cubic root of 115500011 is about 486.9981841292.

Adding to 115500011 its reverse (110005511), we get a palindrome (225505522).

The spelling of 115500011 in words is "one hundred fifteen million, five hundred thousand, eleven".