1103171545 has 24 divisors (see below), whose sum is σ = 1572718464. Its totient is φ = 740357856.

The previous prime is 1103171507. The next prime is 1103171551. The reversal of 1103171545 is 5451713011.

It is not a de Polignac number, because 1103171545 - 2¹¹ = 1103169497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36387 + ... + 59416.

It is an arithmetic number, because the mean of its divisors is an integer number (65529936).

Almost surely, 2^1103171545 is an apocalyptic number.

It is an amenable number.

1103171545 is a deficient number, since it is larger than the sum of its proper divisors (469546919).

1103171545 is an equidigital number, since it uses as much as digits as its factorization.

1103171545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95869 (or 95862 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 1103171545 is about 33214.0263292483. The cubic root of 1103171545 is about 1033.2712613310.

Adding to 1103171545 its reverse (5451713011), we get a palindrome (6554884556).

The spelling of 1103171545 in words is "one billion, one hundred three million, one hundred seventy-one thousand, five hundred forty-five".