11056122247 has 2 divisors, whose sum is σ = 11056122248. Its totient is φ = 11056122246.

The previous prime is 11056122239. The next prime is 11056122251. The reversal of 11056122247 is 74222165011.

It is a strong prime.

It is an emirp because it is prime and its reverse (74222165011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11056122247 - 2³ = 11056122239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11056125247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528061123 + 5528061124.

It is an arithmetic number, because the mean of its divisors is an integer number (5528061124).

Almost surely, 2^11056122247 is an apocalyptic number.

11056122247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056122247 is an equidigital number, since it uses as much as digits as its factorization.

11056122247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 11056122247 its reverse (74222165011), we get a palindrome (85278287258).

The spelling of 11056122247 in words is "eleven billion, fifty-six million, one hundred twenty-two thousand, two hundred forty-seven".