275715155 has 8 divisors (see below), whose sum is σ = 330955200. Its totient is φ = 220507456.

The previous prime is 275715133. The next prime is 275715161. The reversal of 275715155 is 551517572.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275715155 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18806 + ... + 30084.

It is an arithmetic number, because the mean of its divisors is an integer number (41369400).

Almost surely, 2^275715155 is an apocalyptic number.

275715155 is a deficient number, since it is larger than the sum of its proper divisors (55240045).

275715155 is a wasteful number, since it uses less digits than its factorization.

275715155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16173.

The product of its digits is 61250, while the sum is 38.

The square root of 275715155 is about 16604.6726857231. The cubic root of 275715155 is about 650.8589472781.

The spelling of 275715155 in words is "two hundred seventy-five million, seven hundred fifteen thousand, one hundred fifty-five".