11311001011 has 8 divisors (see below), whose sum is σ = 11463606000. Its totient is φ = 11158963200.

The previous prime is 11311000991. The next prime is 11311001021. The reversal of 11311001011 is 11010011311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11311001011 - 2¹⁷ = 11310869939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311001021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101565 + ... + 181486.

It is an arithmetic number, because the mean of its divisors is an integer number (1432950750).

Almost surely, 2^11311001011 is an apocalyptic number.

11311001011 is a deficient number, since it is larger than the sum of its proper divisors (152604989).

11311001011 is an equidigital number, since it uses as much as digits as its factorization.

11311001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283589.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 11311001011 its reverse (11010011311), we get a palindrome (22321012322).

The spelling of 11311001011 in words is "eleven billion, three hundred eleven million, one thousand, eleven".