113503550 has 12 divisors (see below), whose sum is σ = 211116696. Its totient is φ = 45401400.

The previous prime is 113503547. The next prime is 113503573. The reversal of 113503550 is 55305311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134986 + ... + 1135085.

It is an arithmetic number, because the mean of its divisors is an integer number (17593058).

Almost surely, 2^113503550 is an apocalyptic number.

113503550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113503550 is a deficient number, since it is larger than the sum of its proper divisors (97613146).

113503550 is a wasteful number, since it uses less digits than its factorization.

113503550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270083 (or 2270078 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 113503550 is about 10653.8044847838. The cubic root of 113503550 is about 484.1758775015.

Adding to 113503550 its reverse (55305311), we get a palindrome (168808861).

The spelling of 113503550 in words is "one hundred thirteen million, five hundred three thousand, five hundred fifty".