8125628206554 has 12 divisors (see below), whose sum is σ = 17605527780906. Its totient is φ = 2708542735512.

The previous prime is 8125628206529. The next prime is 8125628206559. The reversal of 8125628206554 is 4556028265218.

8125628206554 is a `hidden beast` number, since 8 + 1 + 2 + 5 + 6 + 2 + 82 + 0 + 6 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7629047257329 + 496580949225 = 2762073^2 + 704685^2 .

It is a super-2 number, since 2×8125628206554² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8125628206554.

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 5 ways as a sum of consecutive naturals, for example, 225711894609 + ... + 225711894644.

Almost surely, 2^{8125628206554} is an apocalyptic number.

8125628206554 is an abundant number, since it is smaller than the sum of its proper divisors (9479899574352).

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

8125628206554 is a wasteful number, since it uses less digits than its factorization.

8125628206554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451423789261 (or 451423789258 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 8125628206554 in words is "eight trillion, one hundred twenty-five billion, six hundred twenty-eight million, two hundred six thousand, five hundred fifty-four".