1105540725 has 12 divisors (see below), whose sum is σ = 1827827456. Its totient is φ = 589621680.

The previous prime is 1105540717. The next prime is 1105540729. The reversal of 1105540725 is 5270455011.

It is not a de Polignac number, because 1105540725 - 2³ = 1105540717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105540692 and 1105540701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105540729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7370197 + ... + 7370346.

Almost surely, 2^1105540725 is an apocalyptic number.

1105540725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105540725 is a deficient number, since it is larger than the sum of its proper divisors (722286731).

1105540725 is a wasteful number, since it uses less digits than its factorization.

1105540725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14740556 (or 14740551 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 1105540725 is about 33249.6725547786. The cubic root of 1105540725 is about 1034.0104196404.

Adding to 1105540725 its reverse (5270455011), we get a palindrome (6375995736).

The spelling of 1105540725 in words is "one billion, one hundred five million, five hundred forty thousand, seven hundred twenty-five".