11893721141 has 2 divisors, whose sum is σ = 11893721142. Its totient is φ = 11893721140.

The previous prime is 11893721123. The next prime is 11893721167. The reversal of 11893721141 is 14112739811.

11893721141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7543791025 + 4349930116 = 86855^2 + 65954^2 .

It is a cyclic number.

It is not a de Polignac number, because 11893721141 - 2¹⁰ = 11893720117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11893721095 and 11893721104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11893721111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5946860570 + 5946860571.

It is an arithmetic number, because the mean of its divisors is an integer number (5946860571).

Almost surely, 2^11893721141 is an apocalyptic number.

It is an amenable number.

11893721141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11893721141 is an equidigital number, since it uses as much as digits as its factorization.

11893721141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 38.

The spelling of 11893721141 in words is "eleven billion, eight hundred ninety-three million, seven hundred twenty-one thousand, one hundred forty-one".