505113103 has 8 divisors (see below), whose sum is σ = 552134016. Its totient is φ = 458275800.

The previous prime is 505113079. The next prime is 505113113. The reversal of 505113103 is 301311505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505113103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505113113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40113 + ... + 51178.

It is an arithmetic number, because the mean of its divisors is an integer number (69016752).

Almost surely, 2^505113103 is an apocalyptic number.

505113103 is a deficient number, since it is larger than the sum of its proper divisors (47020913).

505113103 is a wasteful number, since it uses less digits than its factorization.

505113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91805.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 505113103 is about 22474.7214220777. The cubic root of 505113103 is about 796.3968706663.

Adding to 505113103 its reverse (301311505), we get a palindrome (806424608).

The spelling of 505113103 in words is "five hundred five million, one hundred thirteen thousand, one hundred three".