2630256511 has 2 divisors, whose sum is σ = 2630256512. Its totient is φ = 2630256510.

The previous prime is 2630256451. The next prime is 2630256523. The reversal of 2630256511 is 1156520362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2630256511 - 2¹⁷ = 2630125439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2630256571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315128255 + 1315128256.

It is an arithmetic number, because the mean of its divisors is an integer number (1315128256).

Almost surely, 2^2630256511 is an apocalyptic number.

2630256511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2630256511 is an equidigital number, since it uses as much as digits as its factorization.

2630256511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2630256511 is about 51286.0264692050. The cubic root of 2630256511 is about 1380.3822561801.

Adding to 2630256511 its reverse (1156520362), we get a palindrome (3786776873).

The spelling of 2630256511 in words is "two billion, six hundred thirty million, two hundred fifty-six thousand, five hundred eleven".