2511012263 has 2 divisors, whose sum is σ = 2511012264. Its totient is φ = 2511012262.

The previous prime is 2511012247. The next prime is 2511012293. The reversal of 2511012263 is 3622101152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2511012263 - 2⁴ = 2511012247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2511012233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255506131 + 1255506132.

It is an arithmetic number, because the mean of its divisors is an integer number (1255506132).

Almost surely, 2^2511012263 is an apocalyptic number.

2511012263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2511012263 is an equidigital number, since it uses as much as digits as its factorization.

2511012263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2511012263 is about 50110.0016264218. The cubic root of 2511012263 is about 1359.1986814627.

Subtracting 2511012263 from its reverse (3622101152), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 25110 and 12263, that added together give a palindrome (37373).

The spelling of 2511012263 in words is "two billion, five hundred eleven million, twelve thousand, two hundred sixty-three".