11065464181 has 2 divisors, whose sum is σ = 11065464182. Its totient is φ = 11065464180.

The previous prime is 11065464119. The next prime is 11065464287. The reversal of 11065464181 is 18146456011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9237132100 + 1828332081 = 96110^2 + 42759^2 .

It is an emirp because it is prime and its reverse (18146456011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11065464181 is a prime.

It is a super-2 number, since 2×11065464181² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11065464181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11065461181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5532732090 + 5532732091.

It is an arithmetic number, because the mean of its divisors is an integer number (5532732091).

Almost surely, 2^11065464181 is an apocalyptic number.

It is an amenable number.

11065464181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11065464181 is an equidigital number, since it uses as much as digits as its factorization.

11065464181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 11065464181 in words is "eleven billion, sixty-five million, four hundred sixty-four thousand, one hundred eighty-one".