11420032513 has 2 divisors, whose sum is σ = 11420032514. Its totient is φ = 11420032512.

The previous prime is 11420032471. The next prime is 11420032531. The reversal of 11420032513 is 31523002411.

It is a happy number.

11420032513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (11420032531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8415677169 + 3004355344 = 91737^2 + 54812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11420032513 is a prime.

It is not a weakly prime, because it can be changed into another prime (11420062513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710016256 + 5710016257.

It is an arithmetic number, because the mean of its divisors is an integer number (5710016257).

Almost surely, 2^11420032513 is an apocalyptic number.

It is an amenable number.

11420032513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420032513 is an equidigital number, since it uses as much as digits as its factorization.

11420032513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 11420032513 its reverse (31523002411), we get a palindrome (42943034924).

The spelling of 11420032513 in words is "eleven billion, four hundred twenty million, thirty-two thousand, five hundred thirteen".