11013105311 has 4 divisors (see below), whose sum is σ = 11860267272. Its totient is φ = 10165943352.

The previous prime is 11013105307. The next prime is 11013105379. The reversal of 11013105311 is 11350131011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11350131011 = 23 ⋅493483957.

It is a cyclic number.

It is not a de Polignac number, because 11013105311 - 2² = 11013105307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11013105311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013105211) 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, 423580961 + ... + 423580986.

It is an arithmetic number, because the mean of its divisors is an integer number (2965066818).

Almost surely, 2^11013105311 is an apocalyptic number.

11013105311 is a deficient number, since it is larger than the sum of its proper divisors (847161961).

11013105311 is an equidigital number, since it uses as much as digits as its factorization.

11013105311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847161960.

The product of its (nonzero) digits is 45, while the sum is 17.

Adding to 11013105311 its reverse (11350131011), we get a palindrome (22363236322).

The spelling of 11013105311 in words is "eleven billion, thirteen million, one hundred five thousand, three hundred eleven".