10550550811 has 2 divisors, whose sum is σ = 10550550812.
Its totient is φ = 10550550810.
The previous prime is 10550550809. The next prime is 10550550887. The reversal of 10550550811 is 11805505501.
It is a happy number.
10550550811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 10550550811 - 21 = 10550550809 is a prime.
It is a super-2 number, since 2×105505508112 (a number of 21 digits) contains 22 as substring.
Together with 10550550809, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (10550550511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275275405 + 5275275406.
It is an arithmetic number, because the mean of its divisors is an integer number (5275275406).
Almost surely, 210550550811 is an apocalyptic number.
10550550811 is a deficient number, since it is larger than the sum of its proper divisors (1).
10550550811 is an equidigital number, since it uses as much as digits as its factorization.
10550550811 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5000, while the sum is 31.
The spelling of 10550550811 in words is "ten billion, five hundred fifty million, five hundred fifty thousand, eight hundred eleven".