522215025045054 has 128 divisors (see below), whose sum is σ = 1210703266068480. Its totient is φ = 148674936345600.

The previous prime is 522215025045053. The next prime is 522215025045061. The reversal of 522215025045054 is 450540520512225.

It is a junction number, because it is equal to n+sod(n) for n = 522215025044997 and 522215025045015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522215025045053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1215007 + ... + 32340474.

It is an arithmetic number, because the mean of its divisors is an integer number (9458619266160).

Almost surely, 2^{522215025045054} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522215025045054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605351633034240).

522215025045054 is an abundant number, since it is smaller than the sum of its proper divisors (688488241023426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522215025045054 is a wasteful number, since it uses less digits than its factorization.

522215025045054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33555746.

The product of its (nonzero) digits is 800000, while the sum is 42.

Adding to 522215025045054 its reverse (450540520512225), we get a palindrome (972755545557279).

The spelling of 522215025045054 in words is "five hundred twenty-two trillion, two hundred fifteen billion, twenty-five million, forty-five thousand, fifty-four".