1111441013 has 2 divisors, whose sum is σ = 1111441014. Its totient is φ = 1111441012.

The previous prime is 1111440973. The next prime is 1111441021. The reversal of 1111441013 is 3101441111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1111422244 + 18769 = 33338^2 + 137^2 .

It is an emirp because it is prime and its reverse (3101441111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111441013 - 2¹⁸ = 1111178869 is a prime.

It is a super-2 number, since 2×1111441013² = 2470602250756932338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1111440982 and 1111441000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111441913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555720506 + 555720507.

It is an arithmetic number, because the mean of its divisors is an integer number (555720507).

Almost surely, 2^1111441013 is an apocalyptic number.

It is an amenable number.

1111441013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111441013 is an equidigital number, since it uses as much as digits as its factorization.

1111441013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1111441013 is about 33338.2814944022. The cubic root of 1111441013 is about 1035.8466666950.

Adding to 1111441013 its reverse (3101441111), we get a palindrome (4212882124).

The spelling of 1111441013 in words is "one billion, one hundred eleven million, four hundred forty-one thousand, thirteen".