5115444143 has 4 divisors (see below), whose sum is σ = 5416352640. Its totient is φ = 4814535648.

The previous prime is 5115444127. The next prime is 5115444161. The reversal of 5115444143 is 3414445115.

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 5115444143 - 2⁴ = 5115444127 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 (5115444343) 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, 150454223 + ... + 150454256.

It is an arithmetic number, because the mean of its divisors is an integer number (1354088160).

Almost surely, 2^5115444143 is an apocalyptic number.

5115444143 is a deficient number, since it is larger than the sum of its proper divisors (300908497).

5115444143 is a wasteful number, since it uses less digits than its factorization.

5115444143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300908496.

The product of its digits is 19200, while the sum is 32.

The square root of 5115444143 is about 71522.3331764282. Note that the first 3 decimals coincide. The cubic root of 5115444143 is about 1723.0363869697.

Adding to 5115444143 its reverse (3414445115), we get a palindrome (8529889258).

The spelling of 5115444143 in words is "five billion, one hundred fifteen million, four hundred forty-four thousand, one hundred forty-three".