11011013323381 has 2 divisors, whose sum is σ = 11011013323382. Its totient is φ = 11011013323380.

The previous prime is 11011013323327. The next prime is 11011013323391. The reversal of 11011013323381 is 18332331011011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7228731276900 + 3782282046481 = 2688630^2 + 1944809^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011013323381 - 2¹¹ = 11011013321333 is a prime.

It is a super-3 number, since 3×11011013323381³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011013323391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505506661690 + 5505506661691.

It is an arithmetic number, because the mean of its divisors is an integer number (5505506661691).

Almost surely, 2^{11011013323381} is an apocalyptic number.

It is an amenable number.

11011013323381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011013323381 is an equidigital number, since it uses as much as digits as its factorization.

11011013323381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 11011013323381 its reverse (18332331011011), we get a palindrome (29343344334392).

The spelling of 11011013323381 in words is "eleven trillion, eleven billion, thirteen million, three hundred twenty-three thousand, three hundred eighty-one".