5021544031111 has 4 divisors (see below), whose sum is σ = 5021549199112. Its totient is φ = 5021538863112.

The previous prime is 5021544031103. The next prime is 5021544031117. The reversal of 5021544031111 is 1111304451205.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5021544031111 - 2³ = 5021544031103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5021544031111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021544031117) 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 3 ways as a sum of consecutive naturals, for example, 638001 + ... + 3232666.

It is an arithmetic number, because the mean of its divisors is an integer number (1255387299778).

Almost surely, 2^{5021544031111} is an apocalyptic number.

5021544031111 is a deficient number, since it is larger than the sum of its proper divisors (5168001).

5021544031111 is a wasteful number, since it uses less digits than its factorization.

5021544031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168000.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 5021544031111 its reverse (1111304451205), we get a palindrome (6132848482316).

The spelling of 5021544031111 in words is "five trillion, twenty-one billion, five hundred forty-four million, thirty-one thousand, one hundred eleven".