11030643311 has 4 divisors (see below), whose sum is σ = 11163542712. Its totient is φ = 10897743912.

The previous prime is 11030643271. The next prime is 11030643317. The reversal of 11030643311 is 11334603011.

11030643311 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, and also an emirpimes, since its reverse is a distinct semiprime: 11334603011 = 18973 ⋅597407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11030643311 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 (11030643317) 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, 66449576 + ... + 66449741.

It is an arithmetic number, because the mean of its divisors is an integer number (2790885678).

Almost surely, 2^11030643311 is an apocalyptic number.

11030643311 is a deficient number, since it is larger than the sum of its proper divisors (132899401).

11030643311 is an equidigital number, since it uses as much as digits as its factorization.

11030643311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132899400.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 11030643311 in words is "eleven billion, thirty million, six hundred forty-three thousand, three hundred eleven".