11056332513 has 4 divisors (see below), whose sum is σ = 14741776688. Its totient is φ = 7370888340.

The previous prime is 11056332451. The next prime is 11056332523. The reversal of 11056332513 is 31523365011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31523365011 = 3 ⋅10507788337.

It is not a de Polignac number, because 11056332513 - 2¹⁸ = 11056070369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11056332523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842722083 + ... + 1842722088.

It is an arithmetic number, because the mean of its divisors is an integer number (3685444172).

Almost surely, 2^11056332513 is an apocalyptic number.

It is an amenable number.

11056332513 is a deficient number, since it is larger than the sum of its proper divisors (3685444175).

11056332513 is an equidigital number, since it uses as much as digits as its factorization.

11056332513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685444174.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 11056332513 its reverse (31523365011), we get a palindrome (42579697524).

The spelling of 11056332513 in words is "eleven billion, fifty-six million, three hundred thirty-two thousand, five hundred thirteen".