5124051321121 has 4 divisors (see below), whose sum is σ = 5124401506692. Its totient is φ = 5123701135552.

The previous prime is 5124051321119. The next prime is 5124051321167. The reversal of 5124051321121 is 1211231504215.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1427872044096 + 3696179277025 = 1194936^2 + 1922545^2 .

It is a cyclic number.

It is not a de Polignac number, because 5124051321121 - 2¹ = 5124051321119 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 5124051321121.

It is not an unprimeable number, because it can be changed into a prime (5124051321821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175070836 + ... + 175100101.

It is an arithmetic number, because the mean of its divisors is an integer number (1281100376673).

Almost surely, 2^{5124051321121} is an apocalyptic number.

It is an amenable number.

5124051321121 is a deficient number, since it is larger than the sum of its proper divisors (350185571).

5124051321121 is a wasteful number, since it uses less digits than its factorization.

5124051321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350185570.

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

Adding to 5124051321121 its reverse (1211231504215), we get a palindrome (6335282825336).

The spelling of 5124051321121 in words is "five trillion, one hundred twenty-four billion, fifty-one million, three hundred twenty-one thousand, one hundred twenty-one".