1111838225 has 6 divisors (see below), whose sum is σ = 1378679430. Its totient is φ = 889470560.

The previous prime is 1111838213. The next prime is 1111838237. The reversal of 1111838225 is 5228381111.

It is an interprime number because it is at equal distance from previous prime (1111838213) and next prime (1111838237).

It can be written as a sum of positive squares in 3 ways, for example, as 46403344 + 1065434881 = 6812^2 + 32641^2 .

It is not a de Polignac number, because 1111838225 - 2⁴ = 1111838209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111838191 and 1111838200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22236740 + ... + 22236789.

It is an arithmetic number, because the mean of its divisors is an integer number (229779905).

Almost surely, 2^1111838225 is an apocalyptic number.

It is an amenable number.

1111838225 is a deficient number, since it is larger than the sum of its proper divisors (266841205).

1111838225 is an equidigital number, since it uses as much as digits as its factorization.

1111838225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44473539 (or 44473534 counting only the distinct ones).

The product of its digits is 3840, while the sum is 32.

The square root of 1111838225 is about 33344.2382579060. The cubic root of 1111838225 is about 1035.9700505770.

The spelling of 1111838225 in words is "one billion, one hundred eleven million, eight hundred thirty-eight thousand, two hundred twenty-five".