28550201011 has 2 divisors, whose sum is σ = 28550201012. Its totient is φ = 28550201010.

The previous prime is 28550200969. The next prime is 28550201023. The reversal of 28550201011 is 11010205582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28550201011 - 2¹⁹ = 28549676723 is a prime.

It is a super-2 number, since 2×28550201011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28550201041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14275100505 + 14275100506.

It is an arithmetic number, because the mean of its divisors is an integer number (14275100506).

Almost surely, 2^28550201011 is an apocalyptic number.

28550201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

28550201011 is an equidigital number, since it uses as much as digits as its factorization.

28550201011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 28550201011 its reverse (11010205582), we get a palindrome (39560406593).

The spelling of 28550201011 in words is "twenty-eight billion, five hundred fifty million, two hundred one thousand, eleven".