2011426513 has 2 divisors, whose sum is σ = 2011426514. Its totient is φ = 2011426512.

The previous prime is 2011426499. The next prime is 2011426561. The reversal of 2011426513 is 3156241102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2005964944 + 5461569 = 44788^2 + 2337^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011426513 - 2⁵ = 2011426481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011420513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005713256 + 1005713257.

It is an arithmetic number, because the mean of its divisors is an integer number (1005713257).

Almost surely, 2^2011426513 is an apocalyptic number.

It is an amenable number.

2011426513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011426513 is an equidigital number, since it uses as much as digits as its factorization.

2011426513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2011426513 is about 44848.9298980477. The cubic root of 2011426513 is about 1262.3159122239.

Adding to 2011426513 its reverse (3156241102), we get a palindrome (5167667615).

The spelling of 2011426513 in words is "two billion, eleven million, four hundred twenty-six thousand, five hundred thirteen".