2678512511 has 2 divisors, whose sum is σ = 2678512512. Its totient is φ = 2678512510.

The previous prime is 2678512477. The next prime is 2678512523. The reversal of 2678512511 is 1152158762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2678512511 - 2¹⁰ = 2678511487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2678514511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339256255 + 1339256256.

It is an arithmetic number, because the mean of its divisors is an integer number (1339256256).

Almost surely, 2^2678512511 is an apocalyptic number.

2678512511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678512511 is an equidigital number, since it uses as much as digits as its factorization.

2678512511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 38.

The square root of 2678512511 is about 51754.3477497302. The cubic root of 2678512511 is about 1388.7728781369.

The spelling of 2678512511 in words is "two billion, six hundred seventy-eight million, five hundred twelve thousand, five hundred eleven".