1111225445 has 16 divisors (see below), whose sum is σ = 1455475392. Its totient is φ = 807730560.

The previous prime is 1111225441. The next prime is 1111225499. The reversal of 1111225445 is 5445221111.

It is a happy number.

It is not a de Polignac number, because 1111225445 - 2² = 1111225441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111225441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127394 + ... + 135836.

It is an arithmetic number, because the mean of its divisors is an integer number (90967212).

Almost surely, 2^1111225445 is an apocalyptic number.

It is an amenable number.

1111225445 is a deficient number, since it is larger than the sum of its proper divisors (344249947).

1111225445 is a wasteful number, since it uses less digits than its factorization.

1111225445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10852.

The product of its digits is 1600, while the sum is 26.

The square root of 1111225445 is about 33335.0482975501. The cubic root of 1111225445 is about 1035.7796936304.

Adding to 1111225445 its reverse (5445221111), we get a palindrome (6556446556).

The spelling of 1111225445 in words is "one billion, one hundred eleven million, two hundred twenty-five thousand, four hundred forty-five".