1105520425 has 6 divisors (see below), whose sum is σ = 1370845358. Its totient is φ = 884416320.

The previous prime is 1105520413. The next prime is 1105520441. The reversal of 1105520425 is 5240255011.

It can be written as a sum of positive squares in 3 ways, for example, as 102151449 + 1003368976 = 10107^2 + 31676^2 .

It is not a de Polignac number, because 1105520425 - 2⁵ = 1105520393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 44220817 = 1105520425 / (1 + 1 + 0 + 5 + 5 + 2 + 0 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105520425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22110384 + ... + 22110433.

Almost surely, 2^1105520425 is an apocalyptic number.

It is an amenable number.

1105520425 is a deficient number, since it is larger than the sum of its proper divisors (265324933).

1105520425 is an equidigital number, since it uses as much as digits as its factorization.

1105520425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44220827 (or 44220822 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1105520425 is about 33249.3672872132. The cubic root of 1105520425 is about 1034.0040907495.

Adding to 1105520425 its reverse (5240255011), we get a palindrome (6345775436).

The spelling of 1105520425 in words is "one billion, one hundred five million, five hundred twenty thousand, four hundred twenty-five".