11011320033 has 24 divisors (see below), whose sum is σ = 17270699040. Its totient is φ = 6221476800.

The previous prime is 11011320029. The next prime is 11011320107. The reversal of 11011320033 is 33002311011.

It is not a de Polignac number, because 11011320033 - 2² = 11011320029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011319994 and 11011320021.

It is not an unprimeable number, because it can be changed into a prime (11011520033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407743 + ... + 433908.

It is an arithmetic number, because the mean of its divisors is an integer number (719612460).

Almost surely, 2^11011320033 is an apocalyptic number.

It is an amenable number.

11011320033 is a deficient number, since it is larger than the sum of its proper divisors (6259379007).

11011320033 is an equidigital number, since it uses as much as digits as its factorization.

11011320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841757 (or 841750 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11011320033 its reverse (33002311011), we get a palindrome (44013631044).

The spelling of 11011320033 in words is "eleven billion, eleven million, three hundred twenty thousand, thirty-three".