27706752520105 has 8 divisors (see below), whose sum is σ = 33263632277064. Its totient is φ = 22155049180800.

The previous prime is 27706752520099. The next prime is 27706752520121. The reversal of 27706752520105 is 50102525760772.

It can be written as a sum of positive squares in 4 ways, for example, as 4187327319616 + 23519425200489 = 2046296^2 + 4849683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27706752520105 - 2⁷ = 27706752519977 is a prime.

It is a super-2 number, since 2×27706752520105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294092636 + ... + 1294114045.

It is an arithmetic number, because the mean of its divisors is an integer number (4157954034633).

Almost surely, 2^{27706752520105} is an apocalyptic number.

It is an amenable number.

27706752520105 is a deficient number, since it is larger than the sum of its proper divisors (5556879756959).

27706752520105 is a wasteful number, since it uses less digits than its factorization.

27706752520105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588208827.

The product of its (nonzero) digits is 2058000, while the sum is 49.

The spelling of 27706752520105 in words is "twenty-seven trillion, seven hundred six billion, seven hundred fifty-two million, five hundred twenty thousand, one hundred five".