2506511011 has 2 divisors, whose sum is σ = 2506511012. Its totient is φ = 2506511010.

The previous prime is 2506511003. The next prime is 2506511023. The reversal of 2506511011 is 1101156052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2506511011 - 2³ = 2506511003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2506511911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253255505 + 1253255506.

It is an arithmetic number, because the mean of its divisors is an integer number (1253255506).

Almost surely, 2^2506511011 is an apocalyptic number.

2506511011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506511011 is an equidigital number, since it uses as much as digits as its factorization.

2506511011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 2506511011 is about 50065.0677718507. The cubic root of 2506511011 is about 1358.3860271009.

Adding to 2506511011 its reverse (1101156052), we get a palindrome (3607667063).

The spelling of 2506511011 in words is "two billion, five hundred six million, five hundred eleven thousand, eleven".