503606061113 has 4 divisors (see below), whose sum is σ = 503608837620. Its totient is φ = 503603284608.

The previous prime is 503606061083. The next prime is 503606061139. The reversal of 503606061113 is 311160606305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 299747490064 + 203858571049 = 547492^2 + 451507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503606061113 is a prime.

It is a super-4 number, since 4×503606061113⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503606061113.

It is not an unprimeable number, because it can be changed into a prime (503606061193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095620 + ... + 1485797.

It is an arithmetic number, because the mean of its divisors is an integer number (125902209405).

Almost surely, 2^503606061113 is an apocalyptic number.

It is an amenable number.

503606061113 is a deficient number, since it is larger than the sum of its proper divisors (2776507).

503606061113 is a wasteful number, since it uses less digits than its factorization.

503606061113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776506.

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 503606061113 its reverse (311160606305), we get a palindrome (814766667418).

The spelling of 503606061113 in words is "five hundred three billion, six hundred six million, sixty-one thousand, one hundred thirteen".