27555380105 has 8 divisors (see below), whose sum is σ = 36072497664. Its totient is φ = 20040276400.

The previous prime is 27555380063. The next prime is 27555380107. The reversal of 27555380105 is 50108355572.

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

It is not a de Polignac number, because 27555380105 - 2¹⁴ = 27555363721 is a prime.

It is a super-2 number, since 2×27555380105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27555380107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250503401 + ... + 250503510.

It is an arithmetic number, because the mean of its divisors is an integer number (4509062208).

Almost surely, 2^27555380105 is an apocalyptic number.

It is an amenable number.

27555380105 is a deficient number, since it is larger than the sum of its proper divisors (8517117559).

27555380105 is a wasteful number, since it uses less digits than its factorization.

27555380105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501006927.

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 27555380105 in words is "twenty-seven billion, five hundred fifty-five million, three hundred eighty thousand, one hundred five".