115500285 has 12 divisors (see below), whose sum is σ = 200200572. Its totient is φ = 61600128.

The previous prime is 115500269. The next prime is 115500293. The reversal of 115500285 is 582005511.

It can be written as a sum of positive squares in 2 ways, for example, as 61873956 + 53626329 = 7866^2 + 7323^2 .

It is not a de Polignac number, because 115500285 - 2⁴ = 115500269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1283292 + ... + 1283381.

It is an arithmetic number, because the mean of its divisors is an integer number (16683381).

Almost surely, 2^115500285 is an apocalyptic number.

115500285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115500285 is a deficient number, since it is larger than the sum of its proper divisors (84700287).

115500285 is a wasteful number, since it uses less digits than its factorization.

115500285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566684 (or 2566681 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 115500285 is about 10747.1058894942. The cubic root of 115500285 is about 486.9985692298.

Adding to 115500285 its reverse (582005511), we get a palindrome (697505796).

The spelling of 115500285 in words is "one hundred fifteen million, five hundred thousand, two hundred eighty-five".