2011411511 has 2 divisors, whose sum is σ = 2011411512. Its totient is φ = 2011411510.

The previous prime is 2011411487. The next prime is 2011411543. The reversal of 2011411511 is 1151141102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011411511 - 2¹⁸ = 2011149367 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011411511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011411211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005705755 + 1005705756.

It is an arithmetic number, because the mean of its divisors is an integer number (1005705756).

Almost surely, 2^2011411511 is an apocalyptic number.

2011411511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011411511 is an equidigital number, since it uses as much as digits as its factorization.

2011411511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 2011411511 is about 44848.7626473685. The cubic root of 2011411511 is about 1262.3127739353.

Adding to 2011411511 its reverse (1151141102), we get a palindrome (3162552613).

The spelling of 2011411511 in words is "two billion, eleven million, four hundred eleven thousand, five hundred eleven".