1111225005 has 24 divisors (see below), whose sum is σ = 2101226400. Its totient is φ = 538775520.

The previous prime is 1111224997. The next prime is 1111225007. The reversal of 1111225005 is 5005221111.

It is not a de Polignac number, because 1111225005 - 2³ = 1111224997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111225007) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1121955 + ... + 1122944.

It is an arithmetic number, because the mean of its divisors is an integer number (87551100).

Almost surely, 2^1111225005 is an apocalyptic number.

1111225005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111225005 is a deficient number, since it is larger than the sum of its proper divisors (990001395).

1111225005 is a wasteful number, since it uses less digits than its factorization.

1111225005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244921 (or 2244918 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1111225005 is about 33335.0416978890. The cubic root of 1111225005 is about 1035.7795569215.

Adding to 1111225005 its reverse (5005221111), we get a palindrome (6116446116).

The spelling of 1111225005 in words is "one billion, one hundred eleven million, two hundred twenty-five thousand, five".