5223404511121 has 4 divisors (see below), whose sum is σ = 5225912148592. Its totient is φ = 5220896873652.

The previous prime is 5223404511097. The next prime is 5223404511161. The reversal of 5223404511121 is 1211154043225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5223404511121 - 2²¹ = 5223402413969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5223404511161) 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, 1253815611 + ... + 1253819776.

It is an arithmetic number, because the mean of its divisors is an integer number (1306478037148).

Almost surely, 2^{5223404511121} is an apocalyptic number.

It is an amenable number.

5223404511121 is a deficient number, since it is larger than the sum of its proper divisors (2507637471).

5223404511121 is a wasteful number, since it uses less digits than its factorization.

5223404511121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507637470.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 5223404511121 its reverse (1211154043225), we get a palindrome (6434558554346).

The spelling of 5223404511121 in words is "five trillion, two hundred twenty-three billion, four hundred four million, five hundred eleven thousand, one hundred twenty-one".