10809521267 has 2 divisors, whose sum is σ = 10809521268. Its totient is φ = 10809521266.

The previous prime is 10809521231. The next prime is 10809521279. The reversal of 10809521267 is 76212590801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10809521267 - 2²⁴ = 10792744051 is a prime.

It is not a weakly prime, because it can be changed into another prime (10809521227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5404760633 + 5404760634.

It is an arithmetic number, because the mean of its divisors is an integer number (5404760634).

Almost surely, 2^10809521267 is an apocalyptic number.

10809521267 is a deficient number, since it is larger than the sum of its proper divisors (1).

10809521267 is an equidigital number, since it uses as much as digits as its factorization.

10809521267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 10809521267 in words is "ten billion, eight hundred nine million, five hundred twenty-one thousand, two hundred sixty-seven".