11128081307537 has 32 divisors (see below), whose sum is σ = 11688836544000. Its totient is φ = 10584874460160.

The previous prime is 11128081307533. The next prime is 11128081307557. The reversal of 11128081307537 is 73570318082111.

It is not a de Polignac number, because 11128081307537 - 2² = 11128081307533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11128081307491 and 11128081307500.

It is not an unprimeable number, because it can be changed into a prime (11128081307533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222808514 + ... + 222858452.

It is an arithmetic number, because the mean of its divisors is an integer number (365276142000).

Almost surely, 2^{11128081307537} is an apocalyptic number.

It is an amenable number.

11128081307537 is a deficient number, since it is larger than the sum of its proper divisors (560755236463).

11128081307537 is an equidigital number, since it uses as much as digits as its factorization.

11128081307537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50921.

The product of its (nonzero) digits is 282240, while the sum is 47.

Adding to 11128081307537 its reverse (73570318082111), we get a palindrome (84698399389648).

The spelling of 11128081307537 in words is "eleven trillion, one hundred twenty-eight billion, eighty-one million, three hundred seven thousand, five hundred thirty-seven".