11111030521163 has 4 divisors (see below), whose sum is σ = 11112886386600. Its totient is φ = 11109174655728.

The previous prime is 11111030521147. The next prime is 11111030521303. The reversal of 11111030521163 is 36112503011111.

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

It is a cyclic number.

It is not a de Polignac number, because 11111030521163 - 2⁴ = 11111030521147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111030529163) 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, 927923738 + ... + 927935711.

It is an arithmetic number, because the mean of its divisors is an integer number (2778221596650).

Almost surely, 2^{11111030521163} is an apocalyptic number.

11111030521163 is a deficient number, since it is larger than the sum of its proper divisors (1855865437).

11111030521163 is an equidigital number, since it uses as much as digits as its factorization.

11111030521163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855865436.

The product of its (nonzero) digits is 540, while the sum is 26.

Adding to 11111030521163 its reverse (36112503011111), we get a palindrome (47223533532274).

The spelling of 11111030521163 in words is "eleven trillion, one hundred eleven billion, thirty million, five hundred twenty-one thousand, one hundred sixty-three".