503040122011 has 16 divisors (see below), whose sum is σ = 594898214400. Its totient is φ = 425104307880.

The previous prime is 503040122003. The next prime is 503040122023. The reversal of 503040122011 is 110221040305.

It is not a de Polignac number, because 503040122011 - 2³ = 503040122003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503040122011.

It is not an unprimeable number, because it can be changed into a prime (503040122071) 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, 10303741 + ... + 10352446.

It is an arithmetic number, because the mean of its divisors is an integer number (37181138400).

Almost surely, 2^503040122011 is an apocalyptic number.

503040122011 is a deficient number, since it is larger than the sum of its proper divisors (91858092389).

503040122011 is an equidigital number, since it uses as much as digits as its factorization.

503040122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20656279 (or 20656265 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 503040122011 its reverse (110221040305), we get a palindrome (613261162316).

The spelling of 503040122011 in words is "five hundred three billion, forty million, one hundred twenty-two thousand, eleven".