27533258050561 has 4 divisors (see below), whose sum is σ = 27570820477012. Its totient is φ = 27495695624112.

The previous prime is 27533258050531. The next prime is 27533258050589. The reversal of 27533258050561 is 16505085233572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25480729048336 + 2052529002225 = 5047844^2 + 1432665^2 .

It is a cyclic number.

It is not a de Polignac number, because 27533258050561 - 2³³ = 27524668115969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27533258050499 and 27533258050508.

It is not an unprimeable number, because it can be changed into a prime (27533258050531) 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, 18781212126 + ... + 18781213591.

It is an arithmetic number, because the mean of its divisors is an integer number (6892705119253).

Almost surely, 2^{27533258050561} is an apocalyptic number.

It is an amenable number.

27533258050561 is a deficient number, since it is larger than the sum of its proper divisors (37562426451).

27533258050561 is an equidigital number, since it uses as much as digits as its factorization.

27533258050561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37562426450.

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 27533258050561 in words is "twenty-seven trillion, five hundred thirty-three billion, two hundred fifty-eight million, fifty thousand, five hundred sixty-one".