11242043513 has 2 divisors, whose sum is σ = 11242043514. Its totient is φ = 11242043512.

The previous prime is 11242043507. The next prime is 11242043551. The reversal of 11242043513 is 31534024211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9071229049 + 2170814464 = 95243^2 + 46592^2 .

It is an emirp because it is prime and its reverse (31534024211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11242043513 - 2³² = 6947076217 is a prime.

It is not a weakly prime, because it can be changed into another prime (11242043213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621021756 + 5621021757.

It is an arithmetic number, because the mean of its divisors is an integer number (5621021757).

Almost surely, 2^11242043513 is an apocalyptic number.

It is an amenable number.

11242043513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11242043513 is an equidigital number, since it uses as much as digits as its factorization.

11242043513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11242043513 its reverse (31534024211), we get a palindrome (42776067724).

The spelling of 11242043513 in words is "eleven billion, two hundred forty-two million, forty-three thousand, five hundred thirteen".