503042505541 has 16 divisors (see below), whose sum is σ = 520713016560. Its totient is φ = 485601592320.

The previous prime is 503042505529. The next prime is 503042505577. The reversal of 503042505541 is 145505240305.

It can be written as a sum of positive squares in 8 ways, for example, as 260822500 + 502781683041 = 16150^2 + 709071^2 .

It is not a de Polignac number, because 503042505541 - 2⁹ = 503042505029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503042505497 and 503042505506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503042505521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293815 + ... + 2503531.

It is an arithmetic number, because the mean of its divisors is an integer number (32544563535).

Almost surely, 2^503042505541 is an apocalyptic number.

It is an amenable number.

503042505541 is a deficient number, since it is larger than the sum of its proper divisors (17670511019).

503042505541 is a wasteful number, since it uses less digits than its factorization.

503042505541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210264.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 503042505541 its reverse (145505240305), we get a palindrome (648547745846).

The spelling of 503042505541 in words is "five hundred three billion, forty-two million, five hundred five thousand, five hundred forty-one".