630571122503556 has 96 divisors (see below), whose sum is σ = 1590585503071488. Its totient is φ = 193278241082880.

The previous prime is 630571122503527. The next prime is 630571122503591. The reversal of 630571122503556 is 655305221175036.

It is a junction number, because it is equal to n+sod(n) for n = 630571122503499 and 630571122503508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1448768286 + ... + 1449203466.

It is an arithmetic number, because the mean of its divisors is an integer number (16568598990328).

Almost surely, 2^{630571122503556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630571122503556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795292751535744).

630571122503556 is an abundant number, since it is smaller than the sum of its proper divisors (960014380567932).

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

630571122503556 is a wasteful number, since it uses less digits than its factorization.

630571122503556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470781 (or 470779 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 51.

The spelling of 630571122503556 in words is "six hundred thirty trillion, five hundred seventy-one billion, one hundred twenty-two million, five hundred three thousand, five hundred fifty-six".