11125203547 has 2 divisors, whose sum is σ = 11125203548. Its totient is φ = 11125203546.

The previous prime is 11125203541. The next prime is 11125203581. The reversal of 11125203547 is 74530252111.

11125203547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11125203547 is a prime.

It is not a weakly prime, because it can be changed into another prime (11125203541) 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, 5562601773 + 5562601774.

It is an arithmetic number, because the mean of its divisors is an integer number (5562601774).

Almost surely, 2^11125203547 is an apocalyptic number.

11125203547 is a deficient number, since it is larger than the sum of its proper divisors (1).

11125203547 is an equidigital number, since it uses as much as digits as its factorization.

11125203547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 11125203547 its reverse (74530252111), we get a palindrome (85655455658).

The spelling of 11125203547 in words is "eleven billion, one hundred twenty-five million, two hundred three thousand, five hundred forty-seven".