1111135225 has 12 divisors (see below), whose sum is σ = 1407124224. Its totient is φ = 869994320.

The previous prime is 1111135199. The next prime is 1111135241. The reversal of 1111135225 is 5225311111.

It is not a de Polignac number, because 1111135225 - 2¹⁹ = 1110610937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111135196 and 1111135205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471649 + ... + 473998.

It is an arithmetic number, because the mean of its divisors is an integer number (117260352).

Almost surely, 2^1111135225 is an apocalyptic number.

It is an amenable number.

1111135225 is a deficient number, since it is larger than the sum of its proper divisors (295988999).

1111135225 is an equidigital number, since it uses as much as digits as its factorization.

1111135225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945704 (or 945699 counting only the distinct ones).

The product of its digits is 300, while the sum is 22.

The square root of 1111135225 is about 33333.6950397042. The cubic root of 1111135225 is about 1035.7516613430.

Adding to 1111135225 its reverse (5225311111), we get a palindrome (6336446336).

The spelling of 1111135225 in words is "one billion, one hundred eleven million, one hundred thirty-five thousand, two hundred twenty-five".