2775255081 has 16 divisors (see below), whose sum is σ = 3729398400. Its totient is φ = 1835688960.

The previous prime is 2775255061. The next prime is 2775255103. The reversal of 2775255081 is 1805525772.

It is not a de Polignac number, because 2775255081 - 2¹⁵ = 2775222313 is a prime.

It is a super-2 number, since 2×2775255081² = 15404081529232633122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2775255001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 238116 + ... + 249498.

It is an arithmetic number, because the mean of its divisors is an integer number (233087400).

Almost surely, 2^2775255081 is an apocalyptic number.

It is an amenable number.

2775255081 is a deficient number, since it is larger than the sum of its proper divisors (954143319).

2775255081 is a wasteful number, since it uses less digits than its factorization.

2775255081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016.

The product of its (nonzero) digits is 196000, while the sum is 42.

The square root of 2775255081 is about 52680.6898303354. The cubic root of 2775255081 is about 1405.2954349753.

The spelling of 2775255081 in words is "two billion, seven hundred seventy-five million, two hundred fifty-five thousand, eighty-one".