11011404023 has 16 divisors (see below), whose sum is σ = 11559309120. Its totient is φ = 10475023104.

The previous prime is 11011403983. The next prime is 11011404029. The reversal of 11011404023 is 32040411011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11011404023 - 2¹⁸ = 11011141879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011403992 and 11011404010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011404029) 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, 2586965 + ... + 2591217.

It is an arithmetic number, because the mean of its divisors is an integer number (722456820).

Almost surely, 2^11011404023 is an apocalyptic number.

11011404023 is a deficient number, since it is larger than the sum of its proper divisors (547905097).

11011404023 is a wasteful number, since it uses less digits than its factorization.

11011404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11011404023 its reverse (32040411011), we get a palindrome (43051815034).

The spelling of 11011404023 in words is "eleven billion, eleven million, four hundred four thousand, twenty-three".