1103500545 has 64 divisors (see below), whose sum is σ = 2100142080. Its totient is φ = 484293888.

The previous prime is 1103500513. The next prime is 1103500579. The reversal of 1103500545 is 5450053011.

It is not a de Polignac number, because 1103500545 - 2⁵ = 1103500513 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259446 + ... + 263664.

It is an arithmetic number, because the mean of its divisors is an integer number (32814720).

Almost surely, 2^1103500545 is an apocalyptic number.

1103500545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1103500545 is a deficient number, since it is larger than the sum of its proper divisors (996641535).

1103500545 is a wasteful number, since it uses less digits than its factorization.

1103500545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1103500545 is about 33218.9786868892. The cubic root of 1103500545 is about 1033.3739689766.

Adding to 1103500545 its reverse (5450053011), we get a palindrome (6553553556).

The spelling of 1103500545 in words is "one billion, one hundred three million, five hundred thousand, five hundred forty-five".