2812661011 has 2 divisors, whose sum is σ = 2812661012. Its totient is φ = 2812661010.

The previous prime is 2812661009. The next prime is 2812661069. The reversal of 2812661011 is 1101662182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2812661011 - 2¹ = 2812661009 is a prime.

It is a super-2 number, since 2×2812661011² = 15822123925599084242, which contains 22 as substring.

Together with 2812661009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2812661711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406330505 + 1406330506.

It is an arithmetic number, because the mean of its divisors is an integer number (1406330506).

Almost surely, 2^2812661011 is an apocalyptic number.

2812661011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2812661011 is an equidigital number, since it uses as much as digits as its factorization.

2812661011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2812661011 is about 53034.5265935315. The cubic root of 2812661011 is about 1411.5809791901.

The spelling of 2812661011 in words is "two billion, eight hundred twelve million, six hundred sixty-one thousand, eleven".