13113211131011 has 4 divisors (see below), whose sum is σ = 13113388026024. Its totient is φ = 13113034236000.

The previous prime is 13113211131001. The next prime is 13113211131061. The reversal of 13113211131011 is 11013111231131.

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 13113211131011 - 2¹⁸ = 13113210868867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113211131001) 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, 88336265 + ... + 88484586.

It is an arithmetic number, because the mean of its divisors is an integer number (3278347006506).

Almost surely, 2^{13113211131011} is an apocalyptic number.

13113211131011 is a deficient number, since it is larger than the sum of its proper divisors (176895013).

13113211131011 is an equidigital number, since it uses as much as digits as its factorization.

13113211131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176895012.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 13113211131011 its reverse (11013111231131), we get a palindrome (24126322362142).

The spelling of 13113211131011 in words is "thirteen trillion, one hundred thirteen billion, two hundred eleven million, one hundred thirty-one thousand, eleven".