115532103 has 32 divisors (see below), whose sum is σ = 166924800. Its totient is φ = 70851456.

The previous prime is 115532101. The next prime is 115532107. The reversal of 115532103 is 301235511.

It is not a de Polignac number, because 115532103 - 2¹ = 115532101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115532103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115532101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504393 + ... + 504621.

It is an arithmetic number, because the mean of its divisors is an integer number (5216400).

Almost surely, 2^115532103 is an apocalyptic number.

115532103 is a deficient number, since it is larger than the sum of its proper divisors (51392697).

115532103 is a wasteful number, since it uses less digits than its factorization.

115532103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 115532103 is about 10748.5860930636. The cubic root of 115532103 is about 487.0432845533.

Adding to 115532103 its reverse (301235511), we get a palindrome (416767614).

The spelling of 115532103 in words is "one hundred fifteen million, five hundred thirty-two thousand, one hundred three".