2011522559 has 2 divisors, whose sum is σ = 2011522560. Its totient is φ = 2011522558.

The previous prime is 2011522537. The next prime is 2011522567. The reversal of 2011522559 is 9552251102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011522559 - 2¹² = 2011518463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011522529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005761279 + 1005761280.

It is an arithmetic number, because the mean of its divisors is an integer number (1005761280).

Almost surely, 2^2011522559 is an apocalyptic number.

2011522559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011522559 is an equidigital number, since it uses as much as digits as its factorization.

2011522559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 2011522559 is about 44850.0006577480. Note that the first 3 decimals coincide. The cubic root of 2011522559 is about 1262.3360038460.

The spelling of 2011522559 in words is "two billion, eleven million, five hundred twenty-two thousand, five hundred fifty-nine".