11225411024561 has 2 divisors, whose sum is σ = 11225411024562. Its totient is φ = 11225411024560.

The previous prime is 11225411024497. The next prime is 11225411024603. The reversal of 11225411024561 is 16542011452211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10110612918961 + 1114798105600 = 3179719^2 + 1055840^2 .

It is a cyclic number.

It is not a de Polignac number, because 11225411024561 - 2⁶ = 11225411024497 is a prime.

It is not a weakly prime, because it can be changed into another prime (11225411024161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612705512280 + 5612705512281.

It is an arithmetic number, because the mean of its divisors is an integer number (5612705512281).

Almost surely, 2^{11225411024561} is an apocalyptic number.

It is an amenable number.

11225411024561 is a deficient number, since it is larger than the sum of its proper divisors (1).

11225411024561 is an equidigital number, since it uses as much as digits as its factorization.

11225411024561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 35.

Adding to 11225411024561 its reverse (16542011452211), we get a palindrome (27767422476772).

The spelling of 11225411024561 in words is "eleven trillion, two hundred twenty-five billion, four hundred eleven million, twenty-four thousand, five hundred sixty-one".