275120855 has 16 divisors (see below), whose sum is σ = 348336480. Its totient is φ = 208023552.

The previous prime is 275120851. The next prime is 275120873. The reversal of 275120855 is 558021572.

It is not a de Polignac number, because 275120855 - 2² = 275120851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275120851) 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, 40247 + ... + 46583.

It is an arithmetic number, because the mean of its divisors is an integer number (21771030).

Almost surely, 2^275120855 is an apocalyptic number.

275120855 is a deficient number, since it is larger than the sum of its proper divisors (73215625).

275120855 is a wasteful number, since it uses less digits than its factorization.

275120855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 275120855 is about 16586.7674668695. The cubic root of 275120855 is about 650.3909718857.

The spelling of 275120855 in words is "two hundred seventy-five million, one hundred twenty thousand, eight hundred fifty-five".