5121322255523 has 4 divisors (see below), whose sum is σ = 5230286558880. Its totient is φ = 5012357952168.

The previous prime is 5121322255513. The next prime is 5121322255531. The reversal of 5121322255523 is 3255522231215.

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 5121322255523 - 2⁴ = 5121322255507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121322255513) 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, 54482151608 + ... + 54482151701.

It is an arithmetic number, because the mean of its divisors is an integer number (1307571639720).

Almost surely, 2^{5121322255523} is an apocalyptic number.

5121322255523 is a deficient number, since it is larger than the sum of its proper divisors (108964303357).

5121322255523 is a wasteful number, since it uses less digits than its factorization.

5121322255523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108964303356.

The product of its digits is 180000, while the sum is 38.

Adding to 5121322255523 its reverse (3255522231215), we get a palindrome (8376844486738).

The spelling of 5121322255523 in words is "five trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred fifty-five thousand, five hundred twenty-three".