1121143024225 has 24 divisors (see below), whose sum is σ = 1593995213888. Its totient is φ = 766279569600.

The previous prime is 1121143024181. The next prime is 1121143024249. The reversal of 1121143024225 is 5224203411211.

It is a happy number.

It is not a de Polignac number, because 1121143024225 - 2⁷ = 1121143024097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121143024193 and 1121143024202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10380366 + ... + 10487815.

Almost surely, 2^{1121143024225} is an apocalyptic number.

It is an amenable number.

1121143024225 is a deficient number, since it is larger than the sum of its proper divisors (472852189663).

1121143024225 is a wasteful number, since it uses less digits than its factorization.

1121143024225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20868505 (or 20868500 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1121143024225 its reverse (5224203411211), we get a palindrome (6345346435436).

The spelling of 1121143024225 in words is "one trillion, one hundred twenty-one billion, one hundred forty-three million, twenty-four thousand, two hundred twenty-five".