115638603 has 12 divisors (see below), whose sum is σ = 155057400. Its totient is φ = 76658176.

The previous prime is 115638577. The next prime is 115638619. The reversal of 115638603 is 306836511.

It is not a de Polignac number, because 115638603 - 2¹² = 115634507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115638703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257323 + ... + 257771.

It is an arithmetic number, because the mean of its divisors is an integer number (12921450).

Almost surely, 2^115638603 is an apocalyptic number.

115638603 is a deficient number, since it is larger than the sum of its proper divisors (39418797).

115638603 is an frugal number, since it uses more digits than its factorization.

115638603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 115638603 is about 10753.5390918525. The cubic root of 115638603 is about 487.1928942816.

The spelling of 115638603 in words is "one hundred fifteen million, six hundred thirty-eight thousand, six hundred three".