11125441513 has 2 divisors, whose sum is σ = 11125441514. Its totient is φ = 11125441512.

The previous prime is 11125441501. The next prime is 11125441531. The reversal of 11125441513 is 31514452111.

It is a happy number.

Together with next prime (11125441531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9445507344 + 1679934169 = 97188^2 + 40987^2 .

It is a cyclic number.

It is not a de Polignac number, because 11125441513 - 2⁹ = 11125441001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11125442513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562720756 + 5562720757.

It is an arithmetic number, because the mean of its divisors is an integer number (5562720757).

Almost surely, 2^11125441513 is an apocalyptic number.

It is an amenable number.

11125441513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11125441513 is an equidigital number, since it uses as much as digits as its factorization.

11125441513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 28.

Adding to 11125441513 its reverse (31514452111), we get a palindrome (42639893624).

The spelling of 11125441513 in words is "eleven billion, one hundred twenty-five million, four hundred forty-one thousand, five hundred thirteen".