115528203 has 12 divisors (see below), whose sum is σ = 190713328. Its totient is φ = 66016080.

The previous prime is 115528187. The next prime is 115528213. The reversal of 115528203 is 302825511.

It is a happy number.

115528203 is a `hidden beast` number, since 115 + 528 + 20 + 3 = 666.

It is not a de Polignac number, because 115528203 - 2⁴ = 115528187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115528213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 916828 + ... + 916953.

Almost surely, 2^115528203 is an apocalyptic number.

115528203 is a deficient number, since it is larger than the sum of its proper divisors (75185125).

115528203 is a wasteful number, since it uses less digits than its factorization.

115528203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833794 (or 1833791 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 115528203 is about 10748.4046723223. The cubic root of 115528203 is about 487.0378041424.

The spelling of 115528203 in words is "one hundred fifteen million, five hundred twenty-eight thousand, two hundred three".