11131213301233 has 4 divisors (see below), whose sum is σ = 11135221663140. Its totient is φ = 11127204939328.

The previous prime is 11131213301189. The next prime is 11131213301237. The reversal of 11131213301233 is 33210331213111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1061050385329 + 10070162915904 = 1030073^2 + 3173352^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131213301233 - 2⁹ = 11131213300721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131213301198 and 11131213301207.

It is not an unprimeable number, because it can be changed into a prime (11131213301237) 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, 2004176788 + ... + 2004182341.

It is an arithmetic number, because the mean of its divisors is an integer number (2783805415785).

Almost surely, 2^{11131213301233} is an apocalyptic number.

It is an amenable number.

11131213301233 is a deficient number, since it is larger than the sum of its proper divisors (4008361907).

11131213301233 is an equidigital number, since it uses as much as digits as its factorization.

11131213301233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008361906.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11131213301233 its reverse (33210331213111), we get a palindrome (44341544514344).

The spelling of 11131213301233 in words is "eleven trillion, one hundred thirty-one billion, two hundred thirteen million, three hundred one thousand, two hundred thirty-three".