2566278151 has 2 divisors, whose sum is σ = 2566278152. Its totient is φ = 2566278150.

The previous prime is 2566278139. The next prime is 2566278167. The reversal of 2566278151 is 1518726652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2566278151 - 2⁹ = 2566277639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2566278098 and 2566278107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566278551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283139075 + 1283139076.

It is an arithmetic number, because the mean of its divisors is an integer number (1283139076).

Almost surely, 2^2566278151 is an apocalyptic number.

2566278151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566278151 is an equidigital number, since it uses as much as digits as its factorization.

2566278151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 43.

The square root of 2566278151 is about 50658.4459986684. The cubic root of 2566278151 is about 1369.0981243439.

The spelling of 2566278151 in words is "two billion, five hundred sixty-six million, two hundred seventy-eight thousand, one hundred fifty-one".