11142445637 has 2 divisors, whose sum is σ = 11142445638. Its totient is φ = 11142445636.

The previous prime is 11142445603. The next prime is 11142445651. The reversal of 11142445637 is 73654424111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7504063876 + 3638381761 = 86626^2 + 60319^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142445637 - 2¹⁰ = 11142444613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11142445637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11142445837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571222818 + 5571222819.

It is an arithmetic number, because the mean of its divisors is an integer number (5571222819).

Almost surely, 2^11142445637 is an apocalyptic number.

It is an amenable number.

11142445637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142445637 is an equidigital number, since it uses as much as digits as its factorization.

11142445637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

Adding to 11142445637 its reverse (73654424111), we get a palindrome (84796869748).

The spelling of 11142445637 in words is "eleven billion, one hundred forty-two million, four hundred forty-five thousand, six hundred thirty-seven".