1111123245025 has 24 divisors (see below), whose sum is σ = 1385116208000. Its totient is φ = 884184465600.

The previous prime is 1111123244993. The next prime is 1111123245031. The reversal of 1111123245025 is 5205423211111.

It is not a de Polignac number, because 1111123245025 - 2⁵ = 1111123244993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111123244984 and 1111123245002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4061251 + ... + 4326199.

Almost surely, 2^{1111123245025} is an apocalyptic number.

It is an amenable number.

1111123245025 is a deficient number, since it is larger than the sum of its proper divisors (273992962975).

1111123245025 is a wasteful number, since it uses less digits than its factorization.

1111123245025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265849 (or 265844 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 1111123245025 its reverse (5205423211111), we get a palindrome (6316546456136).

The spelling of 1111123245025 in words is "one trillion, one hundred eleven billion, one hundred twenty-three million, two hundred forty-five thousand, twenty-five".