2563511011 has 2 divisors, whose sum is σ = 2563511012. Its totient is φ = 2563511010.

The previous prime is 2563510979. The next prime is 2563511017. The reversal of 2563511011 is 1101153652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2563511011 - 2⁵ = 2563510979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2563511017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281755505 + 1281755506.

It is an arithmetic number, because the mean of its divisors is an integer number (1281755506).

Almost surely, 2^2563511011 is an apocalyptic number.

2563511011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563511011 is an equidigital number, since it uses as much as digits as its factorization.

2563511011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 2563511011 is about 50631.1268983814. The cubic root of 2563511011 is about 1368.6058616912.

Adding to 2563511011 its reverse (1101153652), we get a palindrome (3664664663).

The spelling of 2563511011 in words is "two billion, five hundred sixty-three million, five hundred eleven thousand, eleven".