503430401355 has 32 divisors (see below), whose sum is σ = 920586316800. Its totient is φ = 230132644992.

The previous prime is 503430401317. The next prime is 503430401359. The reversal of 503430401355 is 553104034305.

It is not a de Polignac number, because 503430401355 - 2⁹ = 503430400843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503430401359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5290941 + ... + 5385249.

It is an arithmetic number, because the mean of its divisors is an integer number (28768322400).

Almost surely, 2^503430401355 is an apocalyptic number.

503430401355 is a deficient number, since it is larger than the sum of its proper divisors (417155915445).

503430401355 is a wasteful number, since it uses less digits than its factorization.

503430401355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145163.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 503430401355 in words is "five hundred three billion, four hundred thirty million, four hundred one thousand, three hundred fifty-five".