8950056999561 has 6 divisors (see below), whose sum is σ = 12927860110490. Its totient is φ = 5966704666368.

The previous prime is 8950056999467. The next prime is 8950056999581. The reversal of 8950056999561 is 1659996500598.

It is a happy number.

8950056999561 is a `hidden beast` number, since 8 + 9 + 5 + 0 + 0 + 56 + 9 + 9 + 9 + 561 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7466386835961 + 1483670163600 = 2732469^2 + 1218060^2 .

It is not a de Polignac number, because 8950056999561 - 2²¹ = 8950054902409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8950056999561.

It is not an unprimeable number, because it can be changed into a prime (8950056999581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 497225388856 + ... + 497225388873.

Almost surely, 2^{8950056999561} is an apocalyptic number.

It is an amenable number.

8950056999561 is a deficient number, since it is larger than the sum of its proper divisors (3977803110929).

8950056999561 is a wasteful number, since it uses less digits than its factorization.

8950056999561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994450777735 (or 994450777732 counting only the distinct ones).

The product of its (nonzero) digits is 236196000, while the sum is 72.

The spelling of 8950056999561 in words is "eight trillion, nine hundred fifty billion, fifty-six million, nine hundred ninety-nine thousand, five hundred sixty-one".