1103432565 has 16 divisors (see below), whose sum is σ = 1771737408. Its totient is φ = 586415616.

The previous prime is 1103432527. The next prime is 1103432639. The reversal of 1103432565 is 5652343011.

It is not a de Polignac number, because 1103432565 - 2⁷ = 1103432437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125724 + ... + 134213.

It is an arithmetic number, because the mean of its divisors is an integer number (110733588).

Almost surely, 2^1103432565 is an apocalyptic number.

1103432565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1103432565 is a deficient number, since it is larger than the sum of its proper divisors (668304843).

1103432565 is a wasteful number, since it uses less digits than its factorization.

1103432565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260228.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1103432565 is about 33217.9554608648. The cubic root of 1103432565 is about 1033.3527485657.

Adding to 1103432565 its reverse (5652343011), we get a palindrome (6755775576).

The spelling of 1103432565 in words is "one billion, one hundred three million, four hundred thirty-two thousand, five hundred sixty-five".