503025453011 has 4 divisors (see below), whose sum is σ = 513728122272. Its totient is φ = 492322783752.

The previous prime is 503025453001. The next prime is 503025453013. The reversal of 503025453011 is 110354520305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503025453011 is a prime.

It is a super-2 number, since 2×503025453011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503025453013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5351334560 + ... + 5351334653.

It is an arithmetic number, because the mean of its divisors is an integer number (128432030568).

Almost surely, 2^503025453011 is an apocalyptic number.

503025453011 is a deficient number, since it is larger than the sum of its proper divisors (10702669261).

503025453011 is a wasteful number, since it uses less digits than its factorization.

503025453011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702669260.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 503025453011 its reverse (110354520305), we get a palindrome (613379973316).

The spelling of 503025453011 in words is "five hundred three billion, twenty-five million, four hundred fifty-three thousand, eleven".