28050980911 has 2 divisors, whose sum is σ = 28050980912. Its totient is φ = 28050980910.

The previous prime is 28050980879. The next prime is 28050980921. The reversal of 28050980911 is 11908905082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28050980911 - 2⁵ = 28050980879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28050980921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14025490455 + 14025490456.

It is an arithmetic number, because the mean of its divisors is an integer number (14025490456).

Almost surely, 2^28050980911 is an apocalyptic number.

28050980911 is a deficient number, since it is larger than the sum of its proper divisors (1).

28050980911 is an equidigital number, since it uses as much as digits as its factorization.

28050980911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 43.

The spelling of 28050980911 in words is "twenty-eight billion, fifty million, nine hundred eighty thousand, nine hundred eleven".