28242760811 has 2 divisors, whose sum is σ = 28242760812. Its totient is φ = 28242760810.

The previous prime is 28242760751. The next prime is 28242760877. The reversal of 28242760811 is 11806724282.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28242760811 is a prime.

It is not a weakly prime, because it can be changed into another prime (28242760411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14121380405 + 14121380406.

It is an arithmetic number, because the mean of its divisors is an integer number (14121380406).

Almost surely, 2^28242760811 is an apocalyptic number.

28242760811 is a deficient number, since it is larger than the sum of its proper divisors (1).

28242760811 is an equidigital number, since it uses as much as digits as its factorization.

28242760811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 28242760811 in words is "twenty-eight billion, two hundred forty-two million, seven hundred sixty thousand, eight hundred eleven".