56503003307011 has 16 divisors (see below), whose sum is σ = 59934936821760. Its totient is φ = 53083105810560.

The previous prime is 56503003306999. The next prime is 56503003307017. The reversal of 56503003307011 is 11070330030565.

It is a cyclic number.

It is not a de Polignac number, because 56503003307011 - 2¹⁵ = 56503003274243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56503003307017) 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, 178130010 + ... + 178446928.

It is an arithmetic number, because the mean of its divisors is an integer number (3745933551360).

Almost surely, 2^{56503003307011} is an apocalyptic number.

56503003307011 is a deficient number, since it is larger than the sum of its proper divisors (3431933514749).

56503003307011 is a wasteful number, since it uses less digits than its factorization.

56503003307011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335874.

The product of its (nonzero) digits is 28350, while the sum is 34.

Adding to 56503003307011 its reverse (11070330030565), we get a palindrome (67573333337576).

The spelling of 56503003307011 in words is "fifty-six trillion, five hundred three billion, three million, three hundred seven thousand, eleven".