5545144111 has 4 divisors (see below), whose sum is σ = 5971693672. Its totient is φ = 5118594552.

The previous prime is 5545144109. The next prime is 5545144151. The reversal of 5545144111 is 1114415455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5545144111 - 2¹ = 5545144109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545144151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213274761 + ... + 213274786.

It is an arithmetic number, because the mean of its divisors is an integer number (1492923418).

Almost surely, 2^5545144111 is an apocalyptic number.

5545144111 is a deficient number, since it is larger than the sum of its proper divisors (426549561).

5545144111 is a wasteful number, since it uses less digits than its factorization.

5545144111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426549560.

The product of its digits is 8000, while the sum is 31.

The square root of 5545144111 is about 74465.7244039162. The cubic root of 5545144111 is about 1769.9905423649.

Adding to 5545144111 its reverse (1114415455), we get a palindrome (6659559566).

The spelling of 5545144111 in words is "five billion, five hundred forty-five million, one hundred forty-four thousand, one hundred eleven".