2011505413 has 2 divisors, whose sum is σ = 2011505414. Its totient is φ = 2011505412.

The previous prime is 2011505383. The next prime is 2011505459. The reversal of 2011505413 is 3145051102.

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., 2011253409 + 252004 = 44847^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011505413 - 2⁵ = 2011505381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011508413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005752706 + 1005752707.

It is an arithmetic number, because the mean of its divisors is an integer number (1005752707).

Almost surely, 2^2011505413 is an apocalyptic number.

It is an amenable number.

2011505413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011505413 is an equidigital number, since it uses as much as digits as its factorization.

2011505413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2011505413 is about 44849.8095090715. The cubic root of 2011505413 is about 1262.3324171641.

Adding to 2011505413 its reverse (3145051102), we get a palindrome (5156556515).

The spelling of 2011505413 in words is "two billion, eleven million, five hundred five thousand, four hundred thirteen".