2775265215 has 32 divisors (see below), whose sum is σ = 4906054656. Its totient is φ = 1332503040.

The previous prime is 2775265177. The next prime is 2775265231. The reversal of 2775265215 is 5125625772.

It is not a de Polignac number, because 2775265215 - 2⁶ = 2775265151 is a prime.

It is a congruent 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, 230731 + ... + 242460.

It is an arithmetic number, because the mean of its divisors is an integer number (153314208).

Almost surely, 2^2775265215 is an apocalyptic number.

2775265215 is a deficient number, since it is larger than the sum of its proper divisors (2130789441).

2775265215 is a wasteful number, since it uses less digits than its factorization.

2775265215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473239.

The product of its digits is 294000, while the sum is 42.

The square root of 2775265215 is about 52680.7860134983. The cubic root of 2775265215 is about 1405.2971454783.

The spelling of 2775265215 in words is "two billion, seven hundred seventy-five million, two hundred sixty-five thousand, two hundred fifteen".