10809772511 has 2 divisors, whose sum is σ = 10809772512. Its totient is φ = 10809772510.

The previous prime is 10809772499. The next prime is 10809772529. The reversal of 10809772511 is 11527790801.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10809772511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10809772531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5404886255 + 5404886256.

It is an arithmetic number, because the mean of its divisors is an integer number (5404886256).

Almost surely, 2^10809772511 is an apocalyptic number.

10809772511 is a deficient number, since it is larger than the sum of its proper divisors (1).

10809772511 is an equidigital number, since it uses as much as digits as its factorization.

10809772511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 41.

The spelling of 10809772511 in words is "ten billion, eight hundred nine million, seven hundred seventy-two thousand, five hundred eleven".