10560721811 has 2 divisors, whose sum is σ = 10560721812. Its totient is φ = 10560721810.

The previous prime is 10560721799. The next prime is 10560721813. The reversal of 10560721811 is 11812706501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10560721811 is a prime.

It is a super-2 number, since 2×10560721811² (a number of 21 digits) contains 22 as substring.

Together with 10560721813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10560721813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5280360905 + 5280360906.

It is an arithmetic number, because the mean of its divisors is an integer number (5280360906).

Almost surely, 2^10560721811 is an apocalyptic number.

10560721811 is a deficient number, since it is larger than the sum of its proper divisors (1).

10560721811 is an equidigital number, since it uses as much as digits as its factorization.

10560721811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 32.

The spelling of 10560721811 in words is "ten billion, five hundred sixty million, seven hundred twenty-one thousand, eight hundred eleven".