11020050553 has 2 divisors, whose sum is σ = 11020050554. Its totient is φ = 11020050552.

The previous prime is 11020050551. The next prime is 11020050583. The reversal of 11020050553 is 35505002011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9023480064 + 1996570489 = 94992^2 + 44683^2 .

It is an emirp because it is prime and its reverse (35505002011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11020050553 - 2¹ = 11020050551 is a prime.

Together with 11020050551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11020050551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510025276 + 5510025277.

It is an arithmetic number, because the mean of its divisors is an integer number (5510025277).

Almost surely, 2^11020050553 is an apocalyptic number.

It is an amenable number.

11020050553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020050553 is an equidigital number, since it uses as much as digits as its factorization.

11020050553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 11020050553 its reverse (35505002011), we get a palindrome (46525052564).

The spelling of 11020050553 in words is "eleven billion, twenty million, fifty thousand, five hundred fifty-three".