1113065641 has 2 divisors, whose sum is σ = 1113065642. Its totient is φ = 1113065640.

The previous prime is 1113065627. The next prime is 1113065669. The reversal of 1113065641 is 1465603111.

It is an a-pointer prime, because the next prime (1113065669) can be obtained adding 1113065641 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 782880400 + 330185241 = 27980^2 + 18171^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113065641 - 2²¹ = 1110968489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113065141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556532820 + 556532821.

It is an arithmetic number, because the mean of its divisors is an integer number (556532821).

Almost surely, 2^1113065641 is an apocalyptic number.

It is an amenable number.

1113065641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113065641 is an equidigital number, since it uses as much as digits as its factorization.

1113065641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1113065641 is about 33362.6383998628. The cubic root of 1113065641 is about 1036.3511307731.

Adding to 1113065641 its reverse (1465603111), we get a palindrome (2578668752).

The spelling of 1113065641 in words is "one billion, one hundred thirteen million, sixty-five thousand, six hundred forty-one".