503343550011 has 16 divisors (see below), whose sum is σ = 679198875264. Its totient is φ = 331537085184.

The previous prime is 503343550001. The next prime is 503343550079. The reversal of 503343550011 is 110055343305.

It is not a de Polignac number, because 503343550011 - 2¹³ = 503343541819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503343550001) 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, 1302525 + ... + 1644158.

It is an arithmetic number, because the mean of its divisors is an integer number (42449929704).

Almost surely, 2^503343550011 is an apocalyptic number.

503343550011 is a deficient number, since it is larger than the sum of its proper divisors (175855325253).

503343550011 is a wasteful number, since it uses less digits than its factorization.

503343550011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947370.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 503343550011 its reverse (110055343305), we get a palindrome (613398893316).

The spelling of 503343550011 in words is "five hundred three billion, three hundred forty-three million, five hundred fifty thousand, eleven".