11007423281 has 2 divisors, whose sum is σ = 11007423282. Its totient is φ = 11007423280.

The previous prime is 11007423277. The next prime is 11007423407. The reversal of 11007423281 is 18232470011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6515072656 + 4492350625 = 80716^2 + 67025^2 .

It is a cyclic number.

It is not a de Polignac number, because 11007423281 - 2² = 11007423277 is a prime.

It is a super-2 number, since 2×11007423281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11007423181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503711640 + 5503711641.

It is an arithmetic number, because the mean of its divisors is an integer number (5503711641).

Almost surely, 2^11007423281 is an apocalyptic number.

It is an amenable number.

11007423281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11007423281 is an equidigital number, since it uses as much as digits as its factorization.

11007423281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 11007423281 its reverse (18232470011), we get a palindrome (29239893292).

The spelling of 11007423281 in words is "eleven billion, seven million, four hundred twenty-three thousand, two hundred eighty-one".