11023040011 has 4 divisors (see below), whose sum is σ = 11231021952. Its totient is φ = 10815058072.

The previous prime is 11023040009. The next prime is 11023040071. The reversal of 11023040011 is 11004032011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11004032011 = 7 ⋅1572004573.

It is a cyclic number.

It is not a de Polignac number, because 11023040011 - 2¹ = 11023040009 is a prime.

It is a super-2 number, since 2×11023040011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11023039973 and 11023040000.

It is not an unprimeable number, because it can be changed into a prime (11023040071) 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, 103990891 + ... + 103990996.

It is an arithmetic number, because the mean of its divisors is an integer number (2807755488).

Almost surely, 2^11023040011 is an apocalyptic number.

11023040011 is a deficient number, since it is larger than the sum of its proper divisors (207981941).

11023040011 is an equidigital number, since it uses as much as digits as its factorization.

11023040011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207981940.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11023040011 its reverse (11004032011), we get a palindrome (22027072022).

The spelling of 11023040011 in words is "eleven billion, twenty-three million, forty thousand, eleven".