11441420413 has 2 divisors, whose sum is σ = 11441420414. Its totient is φ = 11441420412.

The previous prime is 11441420407. The next prime is 11441420447. The reversal of 11441420413 is 31402414411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11384463204 + 56957209 = 106698^2 + 7547^2 .

It is a cyclic number.

It is not a de Polignac number, because 11441420413 - 2⁵ = 11441420381 is a prime.

It is a super-2 number, since 2×11441420413² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11441520413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5720710206 + 5720710207.

It is an arithmetic number, because the mean of its divisors is an integer number (5720710207).

Almost surely, 2^11441420413 is an apocalyptic number.

It is an amenable number.

11441420413 is a deficient number, since it is larger than the sum of its proper divisors (1).

11441420413 is an equidigital number, since it uses as much as digits as its factorization.

11441420413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11441420413 its reverse (31402414411), we get a palindrome (42843834824).

The spelling of 11441420413 in words is "eleven billion, four hundred forty-one million, four hundred twenty thousand, four hundred thirteen".