11141661511 has 2 divisors, whose sum is σ = 11141661512. Its totient is φ = 11141661510.

The previous prime is 11141661497. The next prime is 11141661523. The reversal of 11141661511 is 11516614111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11141661511 - 2¹³ = 11141653319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11141661511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11141661911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570830755 + 5570830756.

It is an arithmetic number, because the mean of its divisors is an integer number (5570830756).

Almost surely, 2^11141661511 is an apocalyptic number.

11141661511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11141661511 is an equidigital number, since it uses as much as digits as its factorization.

11141661511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 28.

The spelling of 11141661511 in words is "eleven billion, one hundred forty-one million, six hundred sixty-one thousand, five hundred eleven".