6545110503 has 16 divisors (see below), whose sum is σ = 8905438080. Its totient is φ = 4274353824.

The previous prime is 6545110501. The next prime is 6545110513. The reversal of 6545110503 is 3050115456.

It is not a de Polignac number, because 6545110503 - 2¹ = 6545110501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545110501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70228 + ... + 134246.

It is an arithmetic number, because the mean of its divisors is an integer number (556589880).

Almost surely, 2^6545110503 is an apocalyptic number.

6545110503 is a deficient number, since it is larger than the sum of its proper divisors (2360327577).

6545110503 is a wasteful number, since it uses less digits than its factorization.

6545110503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64718.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 6545110503 is about 80901.8572283727. The cubic root of 6545110503 is about 1870.5629486069.

Adding to 6545110503 its reverse (3050115456), we get a palindrome (9595225959).

The spelling of 6545110503 in words is "six billion, five hundred forty-five million, one hundred ten thousand, five hundred three".