1105311225 has 48 divisors (see below), whose sum is σ = 1932465600. Its totient is φ = 555909120.

The previous prime is 1105311223. The next prime is 1105311227. The reversal of 1105311225 is 5221135011.

It is an interprime number because it is at equal distance from previous prime (1105311223) and next prime (1105311227).

It is not a de Polignac number, because 1105311225 - 2¹ = 1105311223 is a prime.

It is a super-2 number, since 2×1105311225² = 2443425808222001250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1105311223) 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 47 ways as a sum of consecutive naturals, for example, 330361 + ... + 333689.

It is an arithmetic number, because the mean of its divisors is an integer number (40259700).

Almost surely, 2^1105311225 is an apocalyptic number.

1105311225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105311225 is a deficient number, since it is larger than the sum of its proper divisors (827154375).

1105311225 is a wasteful number, since it uses less digits than its factorization.

1105311225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 3589 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1105311225 is about 33246.2212138462. The cubic root of 1105311225 is about 1033.9388643648.

Adding to 1105311225 its reverse (5221135011), we get a palindrome (6326446236).

The spelling of 1105311225 in words is "one billion, one hundred five million, three hundred eleven thousand, two hundred twenty-five".