275527805505 has 32 divisors (see below), whose sum is σ = 446787183744. Its totient is φ = 144980430336.

The previous prime is 275527805477. The next prime is 275527805513. The reversal of 275527805505 is 505508725572.

It is not a de Polignac number, because 275527805505 - 2³⁴ = 258347936321 is a prime.

It is a super-2 number, since 2×275527805505² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76314 + ... + 746243.

It is an arithmetic number, because the mean of its divisors is an integer number (13962099492).

Almost surely, 2^275527805505 is an apocalyptic number.

It is an amenable number.

275527805505 is a deficient number, since it is larger than the sum of its proper divisors (171259378239).

275527805505 is a wasteful number, since it uses less digits than its factorization.

275527805505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822865.

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 275527805505 in words is "two hundred seventy-five billion, five hundred twenty-seven million, eight hundred five thousand, five hundred five".