1111440413 has 2 divisors, whose sum is σ = 1111440414. Its totient is φ = 1111440412.

The previous prime is 1111440401. The next prime is 1111440437. The reversal of 1111440413 is 3140441111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 832784164 + 278656249 = 28858^2 + 16693^2 .

It is an emirp because it is prime and its reverse (3140441111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111440413 - 2²⁴ = 1094663197 is a prime.

It is a super-2 number, since 2×1111440413² = 2470599583299221138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111443413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555720206 + 555720207.

It is an arithmetic number, because the mean of its divisors is an integer number (555720207).

Almost surely, 2^1111440413 is an apocalyptic number.

It is an amenable number.

1111440413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111440413 is an equidigital number, since it uses as much as digits as its factorization.

1111440413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1111440413 is about 33338.2724957368. The cubic root of 1111440413 is about 1035.8464802979.

Adding to 1111440413 its reverse (3140441111), we get a palindrome (4251881524).

The spelling of 1111440413 in words is "one billion, one hundred eleven million, four hundred forty thousand, four hundred thirteen".