11311001111133 has 16 divisors (see below), whose sum is σ = 16757096008000. Its totient is φ = 7540641611280.

The previous prime is 11311001111099. The next prime is 11311001111147. The reversal of 11311001111133 is 33111110011311.

It is not a de Polignac number, because 11311001111133 - 2⁹ = 11311001110621 is a prime.

It is a super-2 number, since 2×11311001111133² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311001311133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10533663 + ... + 11557683.

It is an arithmetic number, because the mean of its divisors is an integer number (1047318500500).

Almost surely, 2^{11311001111133} is an apocalyptic number.

It is an amenable number.

11311001111133 is a deficient number, since it is larger than the sum of its proper divisors (5446094896867).

11311001111133 is a wasteful number, since it uses less digits than its factorization.

11311001111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433129 (or 1433123 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 18.

Adding to 11311001111133 its reverse (33111110011311), we get a palindrome (44422111122444).

The spelling of 11311001111133 in words is "eleven trillion, three hundred eleven billion, one million, one hundred eleven thousand, one hundred thirty-three".