11334043081 has 2 divisors, whose sum is σ = 11334043082. Its totient is φ = 11334043080.

The previous prime is 11334043069. The next prime is 11334043099. The reversal of 11334043081 is 18034043311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6612291856 + 4721751225 = 81316^2 + 68715^2 .

It is an emirp because it is prime and its reverse (18034043311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11334043081 - 2²¹ = 11331945929 is a prime.

It is a super-2 number, since 2×11334043081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11334043031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5667021540 + 5667021541.

It is an arithmetic number, because the mean of its divisors is an integer number (5667021541).

Almost surely, 2^11334043081 is an apocalyptic number.

It is an amenable number.

11334043081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11334043081 is an equidigital number, since it uses as much as digits as its factorization.

11334043081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11334043081 its reverse (18034043311), we get a palindrome (29368086392).

The spelling of 11334043081 in words is "eleven billion, three hundred thirty-four million, forty-three thousand, eighty-one".