27600516122561 has 16 divisors (see below), whose sum is σ = 27681540784128. Its totient is φ = 27519636387600.

The previous prime is 27600516122537. The next prime is 27600516122603. The reversal of 27600516122561 is 16522161500672.

It is a cyclic number.

It is not a de Polignac number, because 27600516122561 - 2¹⁸ = 27600515860417 is a prime.

It is a super-3 number, since 3×27600516122561³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27600516125561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509287960 + ... + 1509306246.

It is an arithmetic number, because the mean of its divisors is an integer number (1730096299008).

Almost surely, 2^{27600516122561} is an apocalyptic number.

It is an amenable number.

27600516122561 is a deficient number, since it is larger than the sum of its proper divisors (81024661567).

27600516122561 is a wasteful number, since it uses less digits than its factorization.

27600516122561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 27600516122561 in words is "twenty-seven trillion, six hundred billion, five hundred sixteen million, one hundred twenty-two thousand, five hundred sixty-one".