10560721803 has 4 divisors (see below), whose sum is σ = 14080962408. Its totient is φ = 7040481200.

The previous prime is 10560721799. The next prime is 10560721811. The reversal of 10560721803 is 30812706501.

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

It is a cyclic number.

It is not a de Polignac number, because 10560721803 - 2² = 10560721799 is a prime.

It is a super-2 number, since 2×10560721803² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10560721813) 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, 1760120298 + ... + 1760120303.

It is an arithmetic number, because the mean of its divisors is an integer number (3520240602).

Almost surely, 2^10560721803 is an apocalyptic number.

10560721803 is a deficient number, since it is larger than the sum of its proper divisors (3520240605).

10560721803 is an equidigital number, since it uses as much as digits as its factorization.

10560721803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520240604.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 10560721803 in words is "ten billion, five hundred sixty million, seven hundred twenty-one thousand, eight hundred three".