503505400105 has 16 divisors (see below), whose sum is σ = 634492122624. Its totient is φ = 382836991680.

The previous prime is 503505400007. The next prime is 503505400157. The reversal of 503505400105 is 501004505305.

It is not a de Polignac number, because 503505400105 - 2¹¹ = 503505398057 is a prime.

It is a super-2 number, since 2×503505400105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13925601 + ... + 13961710.

It is an arithmetic number, because the mean of its divisors is an integer number (39655757664).

Almost surely, 2^503505400105 is an apocalyptic number.

It is an amenable number.

503505400105 is a deficient number, since it is larger than the sum of its proper divisors (130986722519).

503505400105 is a wasteful number, since it uses less digits than its factorization.

503505400105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27887496.

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 503505400105 in words is "five hundred three billion, five hundred five million, four hundred thousand, one hundred five".