1111435225 has 12 divisors (see below), whose sum is σ = 1381375996. Its totient is φ = 887086080.

The previous prime is 1111435211. The next prime is 1111435261. The reversal of 1111435225 is 5225341111.

It can be written as a sum of positive squares in 6 ways, for example, as 44302336 + 1067132889 = 6656^2 + 32667^2 .

It is not a de Polignac number, because 1111435225 - 2¹³ = 1111427033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111435225.

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, 40512 + ... + 62161.

Almost surely, 2^1111435225 is an apocalyptic number.

It is an amenable number.

1111435225 is a deficient number, since it is larger than the sum of its proper divisors (269940771).

1111435225 is a wasteful number, since it uses less digits than its factorization.

1111435225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103116 (or 103111 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1111435225 is about 33338.1946871752. The cubic root of 1111435225 is about 1035.8448685816.

Adding to 1111435225 its reverse (5225341111), we get a palindrome (6336776336).

The spelling of 1111435225 in words is "one billion, one hundred eleven million, four hundred thirty-five thousand, two hundred twenty-five".