11033311133 has 16 divisors (see below), whose sum is σ = 12357709056. Its totient is φ = 9784635840.

The previous prime is 11033311129. The next prime is 11033311139. The reversal of 11033311133 is 33111333011.

It is a cyclic number.

It is not a de Polignac number, because 11033311133 - 2² = 11033311129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033311139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127685 + ... + 195882.

It is an arithmetic number, because the mean of its divisors is an integer number (772356816).

Almost surely, 2^11033311133 is an apocalyptic number.

11033311133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11033311133 is a deficient number, since it is larger than the sum of its proper divisors (1324397923).

11033311133 is a wasteful number, since it uses less digits than its factorization.

11033311133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323684.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 11033311133 its reverse (33111333011), we get a palindrome (44144644144).

The spelling of 11033311133 in words is "eleven billion, thirty-three million, three hundred eleven thousand, one hundred thirty-three".