8125628206556 has 12 divisors (see below), whose sum is σ = 16251256413168. Its totient is φ = 3482412088512.

The previous prime is 8125628206529. The next prime is 8125628206559. The reversal of 8125628206556 is 6556028265218.

8125628206556 is an admirable number.

It is a super-2 number, since 2×8125628206556² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125628206559) 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, 145100503661 + ... + 145100503716.

It is an arithmetic number, because the mean of its divisors is an integer number (1354271367764).

Almost surely, 2^{8125628206556} is an apocalyptic number.

It is an amenable number.

8125628206556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8125628206556 is a wasteful number, since it uses less digits than its factorization.

8125628206556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290201007388 (or 290201007386 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 8125628206556 in words is "eight trillion, one hundred twenty-five billion, six hundred twenty-eight million, two hundred six thousand, five hundred fifty-six".