11051128597 has 4 divisors (see below), whose sum is σ = 11051585740. Its totient is φ = 11050671456.

The previous prime is 11051128547. The next prime is 11051128607. The reversal of 11051128597 is 79582115011.

11051128597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5377875556 + 5673253041 = 73334^2 + 75321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11051128597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051128507) 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 in 3 ways as a sum of consecutive naturals, for example, 190158 + ... + 241375.

It is an arithmetic number, because the mean of its divisors is an integer number (2762896435).

Almost surely, 2^11051128597 is an apocalyptic number.

It is an amenable number.

11051128597 is a deficient number, since it is larger than the sum of its proper divisors (457143).

11051128597 is an equidigital number, since it uses as much as digits as its factorization.

11051128597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457142.

The product of its (nonzero) digits is 25200, while the sum is 40.

The spelling of 11051128597 in words is "eleven billion, fifty-one million, one hundred twenty-eight thousand, five hundred ninety-seven".