503105112 has 48 divisors (see below), whose sum is σ = 1363635000. Its totient is φ = 167571456.

The previous prime is 503105111. The next prime is 503105149. The reversal of 503105112 is 211501305.

It is a super-2 number, since 2×503105112² = 506229507441065088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503105111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 149464 + ... + 152792.

Almost surely, 2^503105112 is an apocalyptic number.

It is an amenable number.

503105112 is an abundant number, since it is smaller than the sum of its proper divisors (860529888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503105112 is a wasteful number, since it uses less digits than its factorization.

503105112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440 (or 5433 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 503105112 is about 22430.0047258131. The cubic root of 503105112 is about 795.3401558492.

Adding to 503105112 its reverse (211501305), we get a palindrome (714606417).

The spelling of 503105112 in words is "five hundred three million, one hundred five thousand, one hundred twelve".