11051405042225 has 12 divisors (see below), whose sum is σ = 13706359130844. Its totient is φ = 8839435725120.

The previous prime is 11051405042189. The next prime is 11051405042263. The reversal of 11051405042225 is 52224050415011.

It can be written as a sum of positive squares in 6 ways, for example, as 274412536336 + 10776992505889 = 523844^2 + 3282833^2 .

It is not a de Polignac number, because 11051405042225 - 2⁴² = 6653358531121 is a prime.

It is a super-3 number, since 3×11051405042225³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11051405042191 and 11051405042200.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 42074174 + ... + 42336023.

It is an arithmetic number, because the mean of its divisors is an integer number (1142196594237).

Almost surely, 2^{11051405042225} is an apocalyptic number.

It is an amenable number.

11051405042225 is a deficient number, since it is larger than the sum of its proper divisors (2654954088619).

11051405042225 is an equidigital number, since it uses as much as digits as its factorization.

11051405042225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84415444 (or 84415439 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 11051405042225 its reverse (52224050415011), we get a palindrome (63275455457236).

The spelling of 11051405042225 in words is "eleven trillion, fifty-one billion, four hundred five million, forty-two thousand, two hundred twenty-five".