105520655277 has 6 divisors (see below), whose sum is σ = 152418724302. Its totient is φ = 70347103512.

The previous prime is 105520655213. The next prime is 105520655309. The reversal of 105520655277 is 772556025501.

105520655277 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 20 + 6 + 552 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 104972112036 + 548543241 = 323994^2 + 23421^2 .

It is not a de Polignac number, because 105520655277 - 2⁶ = 105520655213 is a prime.

It is a super-2 number, since 2×105520655277² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105520655077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5862258618 + ... + 5862258635.

It is an arithmetic number, because the mean of its divisors is an integer number (25403120717).

Almost surely, 2^105520655277 is an apocalyptic number.

It is an amenable number.

105520655277 is a deficient number, since it is larger than the sum of its proper divisors (46898069025).

105520655277 is a wasteful number, since it uses less digits than its factorization.

105520655277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724517259 (or 11724517256 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 45.

The spelling of 105520655277 in words is "one hundred five billion, five hundred twenty million, six hundred fifty-five thousand, two hundred seventy-seven".