5111115443 has 4 divisors (see below), whose sum is σ = 5841274800. Its totient is φ = 4380956088.

The previous prime is 5111115431. The next prime is 5111115461. The reversal of 5111115443 is 3445111115.

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 5111115443 - 2⁶ = 5111115379 is a prime.

It is a super-2 number, since 2×5111115443² = 52247002143346172498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111115413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365079668 + ... + 365079681.

It is an arithmetic number, because the mean of its divisors is an integer number (1460318700).

Almost surely, 2^5111115443 is an apocalyptic number.

5111115443 is a deficient number, since it is larger than the sum of its proper divisors (730159357).

5111115443 is an equidigital number, since it uses as much as digits as its factorization.

5111115443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730159356.

The product of its digits is 1200, while the sum is 26.

The square root of 5111115443 is about 71492.0655947218. The cubic root of 5111115443 is about 1722.5502374330.

Adding to 5111115443 its reverse (3445111115), we get a palindrome (8556226558).

The spelling of 5111115443 in words is "five billion, one hundred eleven million, one hundred fifteen thousand, four hundred forty-three".