11225051311 has 2 divisors, whose sum is σ = 11225051312. Its totient is φ = 11225051310.

The previous prime is 11225051309. The next prime is 11225051333. The reversal of 11225051311 is 11315052211.

It is an a-pointer prime, because the next prime (11225051333) can be obtained adding 11225051311 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11225051311 - 2¹ = 11225051309 is a prime.

Together with 11225051309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11225051011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612525655 + 5612525656.

It is an arithmetic number, because the mean of its divisors is an integer number (5612525656).

Almost surely, 2^11225051311 is an apocalyptic number.

11225051311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11225051311 is an equidigital number, since it uses as much as digits as its factorization.

11225051311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 22.

The spelling of 11225051311 in words is "eleven billion, two hundred twenty-five million, fifty-one thousand, three hundred eleven".