522455123117 has 4 divisors (see below), whose sum is σ = 553187777436. Its totient is φ = 491722468800.

The previous prime is 522455123087. The next prime is 522455123143. The reversal of 522455123117 is 711321554225.

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 253793280841 + 268661842276 = 503779^2 + 518326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522455123117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522455123717) 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, 15366327134 + ... + 15366327167.

It is an arithmetic number, because the mean of its divisors is an integer number (138296944359).

Almost surely, 2^522455123117 is an apocalyptic number.

It is an amenable number.

522455123117 is a deficient number, since it is larger than the sum of its proper divisors (30732654319).

522455123117 is a wasteful number, since it uses less digits than its factorization.

522455123117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30732654318.

The product of its digits is 84000, while the sum is 38.

The spelling of 522455123117 in words is "five hundred twenty-two billion, four hundred fifty-five million, one hundred twenty-three thousand, one hundred seventeen".