503253523011 has 64 divisors (see below), whose sum is σ = 754572672000. Its totient is φ = 297165496320.

The previous prime is 503253523007. The next prime is 503253523033. The reversal of 503253523011 is 110325352305.

It is not a de Polignac number, because 503253523011 - 2² = 503253523007 is a prime.

It is a super-2 number, since 2×503253523011² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 503253523011.

It is not an unprimeable number, because it can be changed into a prime (503253523081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4788435 + ... + 4892403.

It is an arithmetic number, because the mean of its divisors is an integer number (11790198000).

Almost surely, 2^503253523011 is an apocalyptic number.

503253523011 is a deficient number, since it is larger than the sum of its proper divisors (251319148989).

503253523011 is a wasteful number, since it uses less digits than its factorization.

503253523011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104124.

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

Adding to 503253523011 its reverse (110325352305), we get a palindrome (613578875316).

The spelling of 503253523011 in words is "five hundred three billion, two hundred fifty-three million, five hundred twenty-three thousand, eleven".