503531420505 has 32 divisors (see below), whose sum is σ = 824713697280. Its totient is φ = 262200576960.

The previous prime is 503531420473. The next prime is 503531420521. The reversal of 503531420505 is 505024135305.

It is a happy number.

It is not a de Polignac number, because 503531420505 - 2⁵ = 503531420473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1483920 + ... + 1791390.

It is an arithmetic number, because the mean of its divisors is an integer number (25772303040).

Almost surely, 2^503531420505 is an apocalyptic number.

It is an amenable number.

503531420505 is a deficient number, since it is larger than the sum of its proper divisors (321182276775).

503531420505 is a wasteful number, since it uses less digits than its factorization.

503531420505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310061.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 503531420505 in words is "five hundred three billion, five hundred thirty-one million, four hundred twenty thousand, five hundred five".