503200113665 has 4 divisors (see below), whose sum is σ = 603840136404. Its totient is φ = 402560090928.

The previous prime is 503200113569. The next prime is 503200113667. The reversal of 503200113665 is 566311002305.

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 74668841536 + 428531272129 = 273256^2 + 654623^2 .

It is a cyclic number.

It is not a de Polignac number, because 503200113665 - 2²⁴ = 503183336449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503200113667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50320011362 + ... + 50320011371.

It is an arithmetic number, because the mean of its divisors is an integer number (150960034101).

Almost surely, 2^503200113665 is an apocalyptic number.

It is an amenable number.

503200113665 is a deficient number, since it is larger than the sum of its proper divisors (100640022739).

503200113665 is a wasteful number, since it uses less digits than its factorization.

503200113665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100640022738.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 503200113665 in words is "five hundred three billion, two hundred million, one hundred thirteen thousand, six hundred sixty-five".