11344007681 has 2 divisors, whose sum is σ = 11344007682. Its totient is φ = 11344007680.

The previous prime is 11344007671. The next prime is 11344007687. The reversal of 11344007681 is 18670044311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5953511281 + 5390496400 = 77159^2 + 73420^2 .

It is a cyclic number.

It is not a de Polignac number, because 11344007681 - 2⁶ = 11344007617 is a prime.

It is a super-2 number, since 2×11344007681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11344007687) 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, 5672003840 + 5672003841.

It is an arithmetic number, because the mean of its divisors is an integer number (5672003841).

Almost surely, 2^11344007681 is an apocalyptic number.

It is an amenable number.

11344007681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11344007681 is an equidigital number, since it uses as much as digits as its factorization.

11344007681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 11344007681 in words is "eleven billion, three hundred forty-four million, seven thousand, six hundred eighty-one".